BS EN 3646-001:2015 BSI Standards Publication Aerospace series — Connectors, electrical, circular, bayonet coupling, operating temperature 175 °C or 200 °C continuous Part 001: Technical specification BS EN 3646-001:2015 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN 3646-001:2015 It supersedes BS EN 3646-001:2007 which is withdrawn The UK participation in its preparation was entrusted to Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology A list of organizations represented on this committee can be obtained on request to its secretary This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application © The British Standards Institution 2015 Published by BSI Standards Limited 2015 ISBN 978 580 89601 ICS 49.060 Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2015 Amendments/corrigenda issued since publication Date Text affected BS EN 3646-001:2015 EN 3646-001 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM November 2015 ICS 49.060 Supersedes EN 3646-001:2007 English Version Aerospace series - Connectors, electrical, circular, bayonet coupling, operating temperature 175 °C or 200 °C continuous - Part 001: Technical specification Série aérospatiale - Connecteurs électriques circulaires accouplement par baïonnettes, température d' utilisation 175 °C ou 200 °C continu - Partie 001: Spécification technique Luft- und Raumfahrt - Elektrische Rundsteckverbinder mit Bajonettkupplung, Betriebstemperatur 175 °C oder 200 °C konstant - Teil 001: Technische Lieferbedingungen This European Standard was approved by CEN on June 2015 CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member This European Standard exists in three official versions (English, French, German) A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels © 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref No EN 3646-001:2015 E BS EN 3646-001:2015 EN 3646-001:2015 (E) Contents Page European foreword Introduction Scope Normative references Terms and definitions Description Design Definition drawings and masses Tests 31 Quality assurance 42 Designation and marking 47 10 Delivery conditions 47 11 Packaging 47 12 Storage 47 BS EN 3646-001:2015 EN 3646-001:2015 (E) European foreword This document (EN 3646-001:2015) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN) After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2016, and conflicting national standards shall be withdrawn at the latest by May 2016 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights This document supersedes EN 3646-001:2007 According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom BS EN 3646-001:2015 EN 3646-001:2015 (E) Introduction This family of connectors is derived from MIL-DTL-26482, series 2, the NAS 1599 bayonet connector with which it is intermateable and which uses AS-39029 for the contacts It is particularly suitable for use on aircraft applying EN 2282 These connectors are distinguishable from MIL-DTL-26482 and NAS 1599 by: — being of a lower mass; — having reduced dimensions; — accepting smaller cables BS EN 3646-001:2015 EN 3646-001:2015 (E) Scope This standard specifies the general characteristics, the conditions for qualification, acceptance and quality assurance, as well as the test programmes and groups for bayonet coupling circular connectors, intended for use in an operating temperature range of –65 °C to 175 °C or 200 °C continuous according to the class and models Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application For dated references, only the edition cited applies For undated references, the latest edition of the referenced document (including any amendments) applies EN 2266-002, Aerospace series — Cables, electrical, for general purpose — Operating temperatures between −55 °C and 200 °C — Part 002: General EN 2282, Aerospace series — Characteristics of aircraft electrical supplies EN 2591-100 *, Aerospace series — Elements of electrical and optical connection — Test methods — Part 100: General EN 3155-001, Aerospace series — Electrical contacts used in elements of connection — Part 001: Technical specification EN 3197, Aerospace series — Installation of aircraft electrical and optical interconnection systems EN 3646-002, Aerospace series — Connectors, electrical, circular, bayonet coupling, operating temperature 175 °C or 200 °C continuous — Part 002: Specification of performance and contact arrangements EN 9133, Aerospace series — Quality management systems — Qualification procedure for aerospace standard parts ISO 263, Inch screw threads — General plan and selection for screws, bolts and nuts — Diameter range 0,06 to in ISO 4524-1, Metallic coatings — Test methods for electrodeposited gold and gold alloy coatings — Part 1: Determination of coating thickness AS 39029, Contacts, electrical connector, general specification for 1) MIL-DTL-26482H, Connector, electrical, (circular, Miniature, quick disconnect, environment resisting), receptacles and plugs, general specification for2) MIL-HDBK-454N, General guidelines for electronic equipment2) NAS 1599, (Inactive) Connectors, general purpose, electrical, miniature circular, environment resisting, 200 °C maximum temperature 3) Terms and definitions For the purposes of this document, the terms and definitions given in EN 2591-100 apply * 1) 2) 3) And all parts quoted in this standard Published by: Society of Automotive Engineers, Inc (SAE), 400 Commonwealth Drive, Warrendale, PA 15096-0001, USA (http://www.sae.org/) Published by: Department of Defense (DOD), the Pentagon, Washington, DC 20301, USA (http://www.defenselink.mil/) Published by: Aerospace Industries Association of America, Inc (AIA), 1250 Eye Street, NW; Suite 1100, Washington, DC 20005, USA (http://www.aia-aerospace.org) BS EN 3646-001:2015 EN 3646-001:2015 (E) Description 4.1 General Different variants of materials, housings and contact arrangements are provided according to the models depending on the service conditions These connectors use crimp or solder contacts of size 20, size 16 and size 12 The receptacles and plugs contain either male contacts or female contacts The contacts fitted in the model Y receptacles are exclusively of the male non removable solder type The connectors are polarized by means of keyways and keys When all the male contacts are in place, polarization is obtained by different angular positions of the insulator in relation to the main slot or locking key and shall occur before the coupling ring can carry out its function The visual check of coupling is obtained by viewing the locking pins through the inspection holes in the coupling ring of the plug 4.2 Receptacle The receptacle may be attached by: — square flange; — nut, with sealing by O-ring at the attachment; — round soldered or brazed flange for model Y connectors The receptacle contains five keyways in which the keys of the plug engage The main keyway is fixed and is wider than the others Polarization is ensured by the different angular positions of the inserts 4.3 Plug The plug contains five keys which engage in the keyways of the receptacle The main key is wider than the others Polarization is ensured by the different angular position of the inserts The coupling ring permanently fitted on the plug enables the connectors to be coupled and uncoupled The internal guides of the coupling ring may be treated with a suitable lubricant compatible with the performance required in this standard The plug of models RS and WS is fitted with a grounding spring device ensuring electrical continuity between the coupled connector housings 4.4 4.4.1 Materials and surface treatment General When different metals are in close contact, adequate protection against corrosion shall be used for the electromotive force of the cell not to exceed 0,25 V (see EN 3197) 4.4.2 Housings The material of the housing for the connectors and for the fittings may either be passivated stainless steel or light alloy protected against corrosion by nickel, black anodized or cadmium plating (see EN 3646-002) BS EN 3646-001:2015 EN 3646-001:2015 (E) 4.4.3 Contacts Unless otherwise specified, the contacts shall be in ferrous alloy for models Y and in copper alloy for the other models They shall be gold-plated on an appropriate undercoat Selective protection is authorized provided that it is sufficient to ensure that performance is respected Measurement of the thickness of the protective treatment shall be effected in accordance with ISO 4524-1 4.4.4 Non-metallic materials The materials used for insert, seals and grommets shall have a hardness and mechanical and electrical characteristics consistent with the required use Design 5.1 Housings The connector housings shall be in one unit At the rear of the connector housing there shall be either three teeth at 120° intervals or teeth around the entire periphery These teeth shall accommodate cable outlets or other fittings The receptacle shall furthermore be fitted with an O-ring seal for sealing the coupled housings Receptacles for attachment by nut shall contain an O-ring seal The nut shall have holes for the passage of locking wire The threads shall conform to ISO 263 The coupling ring shall be designed so that the male and female contacts engage when it is turned clockwise and disengaged when it is turned counter-clockwise The coupling ring shall be knurled The cable outlets shall compress the connector grommets without distorting it 5.2 Inserts The insert carrying the male and female contacts shall be in hard material and have a cross section and radii such that no cracks, flaking or breaks can occur in normal operation The insert for contacts shall be non-removable; it shall be mechanically held in the housing Sealing shall be provided between the housing and insert The front face of the insert shall be such that sealing is ensured when the connectors are coupled The interfacial seal of the insert of the male contacts shall be bonded on the hard insert The grommet shall permit sealing for all cable diameters indicated in EN 3646-002 and shall not be removable The mechanical contacts retention system shall be integrated in the hard insert The design of non-hermetic connectors shall permit individual installation of the contacts without removal of the insert or grommet Insertion and removal of the contacts shall be from the rear, with the tools specified in the contact product standards BS EN 3646-001:2015 EN 3646-001:2015 (E) Definition drawings and masses The general dimensions and the masses of receptacles, plugs and protective covers are given in the product standards 6.1 Receptacle mating dimensions The mating dimensions of receptacles are shown in Figure and details A and B as well as in Table 1, Table and Table Dimensions and tolerances are in millimetres Key a Shells 08 to 18: Shells 20 to 24: Radius or chamfer 0,2 mm to 0,381 mm 7°30' to 11°30' Position of point of electrical contact Figure — Receptacle BS EN 3646-001:2015 EN 3646-001:2015 (E) Table (6 to 8) EN 2591408 Designation of the test Mating and unmating forces Details Method A or method B: temperature −25 °C Values for unlocking torque increased by 25 % in the case of method B Housing size 08 12 0,2 0,3 2,7 18 0,3 3,2 20 0,3 3,6 22 0,6 4,1 24 0,6 4,6 Preload 10 N Contact size 20 16 12 0,6 Axial load N + 1,3 90 110 130 Displacement ≤ 0,3 mm during application of the load Insert retention in housing (axial) Connector not fitted with contacts Mechanical pressure applied: Housing size 08 10 12 14 16 18 20 22 24 36 0,2 2,3 16 410 1,4 0,2 1,8 14 Contact retention in insert Uncoupling torque N.m 0,9 10 409 Coupling torque N.m max Pressure MPa 1,1 1,1 0,7 0,5 0,5 0,5 0,5 0,5 0,5 and after BS EN 3646-001:2015 EN 3646-001:2015 (E) Table (7 to 8) EN 2591- Designation of the test 411 Insert retention in housing (torsional) Details Housing size Torque N.m 08 0,9 10 1,1 12 1,4 14 1,6 16 1,8 18 20 2,3 24 2,7 22 412 Contact insertion and extraction forces Contact size 20 16 413 12 08 and 10 12 and 14 16 to 24 414 Unmating of connectors 416 Contact bending strength 417 418 Maximum force N insertion extraction 68 45 68 68 45 45 Holding force of grounding spring Sizing and measurement gauges: see Figure 40 system and Table 11 Gauge retention force: Housing size 415 2,5 Test probe contacts) release Not applicable lanyard damage Tensile strength connection) max 67 89 133 Axial force N 9 (female Not applicable Not applicable (crimped Not applicable Gauge insertion and extraction Not applicable forces in and out of a female contact 37 BS EN 3646-001:2015 EN 3646-001:2015 (E) Table (8 to 8) EN 2591419 420 421 422 423 424 425 426 427 428 501 502 503 505 506 508 509 513 514 515 38 Designation of the test Details Stability of male contacts in insert Gauges for test: see Figure 41 and Table 12 Force applied: 13 N Permitted deflection: — size 20 contacts: 1,0 mm; — size 16 contacts: 1,3 mm; — size 12 contacts: 1,6 mm Mechanical accessories strength Connector strength accessory Free fall of Locking wire hole strength rear Not applicable Not applicable Diameter 0,51 mm Diameter 0,76 mm thread Not applicable F = 13,5 N F = 23 N Stripping force, solderless Not applicable wrapped connections Unwrapping, solderless wrapped Not applicable connections Contact retention system Multistrand steel cable of a cross-section which effectiveness (removable contact can fit in the contact barrel walkout) Force applied: 13 N (all contact sizes) Robustness of protective cover Force applied: 22 N attachment Sinusoidal vibrations with Not applicable passage of current for crimped terminal lugs Soft soldering Restricted entry Contact crimping deformation Applicable to solder contacts Not applicable after Not applicable Contact protection effectiveness Not applicable (scoop-proof) Use of tools Force to be applied on tool: 13 N Adhesion of coating on contacts Applicable Method A Measurement of thickness of Applicable to non-removable contacts — coating on contacts Method A or B The measured value is recorded Magnetic permeability ≤2 to Solderability of contacts with Not applicable self-contained solder and flux Hydrolytic stability Not applicable non-removable contacts — BS EN 3646-001:2015 EN 3646-001:2015 (E) Table 10 — Resistance to fluids Fluid Immersion Duration Category Test fluid number EN 3909 Mineral hydraulic fluid 15 15 Fuel Synthetic hydraulic fluid Mineral lubricant Synthetic lubricant Cleaning products De-icing fluid Extinguishing fluid Cooling fluid 10 11 12 +2 15 +5 15 15 15 15 19 15 17 and 18 15 +5 +5 +5 +5 +2 +5 +5 +5 Storage Temp °C Temp °C 85 100 120 125 25 85 150 Number of cycles 85 100 125 1 25 25 50 100 50 25 −15 25 39 BS EN 3646-001:2015 EN 3646-001:2015 (E) 7.1 Gauges to test the holding force of the grounding spring system of the housing See Figure 40 and Table 11 Dimensions and tolerances in millimetres Key Ra 0,10 µm to 0,20 àm Chamfer 0,10 to 0,20 ì 45 Figure 40 — Gauge Table 11 — Gauge dimensions Sizing gauge Housing size 08 10 12 14 16 18 20 22 24 40 A max 12,04 B + 0,01 9,17 15,01 12,42 25,42 21,74 19,07 22,25 28,60 32,77 34,95 38,12 15,39 18,57 24,41 27,59 30,76 33,94 Measurement gauge C A max max 9,30 10,80 12,04 B − 0,01 9,32 15,01 12,57 25,42 21,89 19,07 22,25 28,60 32,77 34,95 38,12 15,54 18,72 24,56 27,74 30,91 34,09 C 9,30 10,80 L α + 0,13 − 0,15 10,46 13,71 17,50 30' 26,39 25' 20,67 23,85 29,56 32,74 35,91 22' 20' BS EN 3646-001:2015 EN 3646-001:2015 (E) 7.2 Gauges to test the stability of male contacts in insert See Figure 41 and Table 12 Dimensions and tolerances are in millimetres 0,005 B Concentricity tolerance of diameter Key Approximately spherical shape R 0,13 − 0,012 45° chamfer optional Figure 41 — Gauge Table 12 — Gauge dimensions Contact size B C E F G + 0,012 + 0,005 + 0,005 0 − 0,012 − 0,012 + 0,0051 0 − 0,005 14,173 1,562 2,565 3,302 2,616 20 13,792 12 14,173 16 a A 0,990 2,362 Required tolerance on length 6,35 1,930 3,759 0,838 1,219 3,172 2,921 2,540 4,749 Ja 1,981 3,830 41 BS EN 3646-001:2015 EN 3646-001:2015 (E) Quality assurance 8.1 General See EN 9133 8.2 Qualification Qualification of a model (see EN 3646-002) is obtained: — either when the specimens of this model as defined in 8.2.1 have satisfied the applicable tests in groups to 7; — or through extension of qualification according to group 8; — or by extension of qualification, see Table 13 In this case, three complete specimens as defined in 8.2.1 shall be tested for each group Table 13 — Qualification Already qualified A RS WS — Group Group To be qualified A RS WS 8.2.1 Groups and Groups and — Groups and Groups and — Sampling and definition of specimens The specimens of the model to be qualified shall be divided equally for each test group between small sizes (8 or 10 or 12), medium sizes (14 or 16 or 18) and large sizes (20 or 22 or 24) The receptacles shall have simple nut accessories and the plugs have straight cable-clamp accessories except for group For this group, receptacles and plugs shall be equipped with accessories appropriate to test EN 2591-213 Table 14 — Sampling and definition of specimens Test group No Model A or RS or WS Model Y All samples tested in groups to — 3 except test 2591-315 + a tests 2591-315 tests 2591-315 42 3 3 in models RS and WS without insert protected covers of each type a Number of complete specimens (receptacle and plug) — Supplementary specimens, one by fluid (test EN 2591-315) 3 — — 40 male contacts of each contacts size fitted in the receptacle — BS EN 3646-001:2015 EN 3646-001:2015 (E) 8.2.2 Preparation of specimens Unless otherwise specified in the tests, the specimens shall be wired with cables, the outside diameter of which is in accordance with the maximum indicated in EN 3646-002 The connectors shall be wired with round cables free from any roughness likely to contribute to the penetration of humidity of liquid to the inside of the connector The cables shall conform to EN 2266-002 for cables for general use, operating temperature 200 °C Their length shall be approximately m Half of the specimens shall be provided with cable whose external diameter is closest to the maximum permissible diameter (see EN 3646-002); the other half shall be provided with cable whose external diameter is closest to the minimum permissible diameter 8.2.3 Programme of qualification test The qualification tests are defined in Table 15 and shall be carried out in the sequence indicated Test EN 2591-306 is to be performed on materials and is not included in the groups below If the materials used comply with group of MIL-HDBK-454, Requirement 4, test EN 2591-306 is not performed Table 15 — Qualification tests (1 to 3) Designation of the test Group Visual examination Examination of dimensions and mass Contact resistance at rated current Housing (shell) electrical continuity Measurement of insulation resistance Voltage proof test Mating and unmating forces Group Contact insertion and extraction forces Contact retention in insert Rapid change of temperature Mechanical endurance Sinusoidal and random vibration Shock Hermeticity Immersion at low air pressure Insert retention in housing (axial) Ozone resistance Contact retention in insert Voltage proof test Measurement of insulation resistance Contact resistance at rated current Housing (shell) electrical continuity Electrical overload Salt mist Visual examination Housing (shell) electrical continuity Mating and unmating forces EN 2591101 102 202 205 206 207 408 412 409 305 406 403 402 322 314 410 316 409 207 206 202 205 210 307 101 205 408 Remarks Only model Y Except model A Method A Except model Y Only model Y Except model Y Except model Y Except model Y Only model Y Only model Y as contacts embedded in connector are Method B 43 BS EN 3646-001:2015 EN 3646-001:2015 (E) Table 15 — Qualification tests (2 to 3) Designation of the test Group Durability of contact retention system and seals (Maintenance ageing) Contact retention in insert Contact insertion and extraction forces Rapid change of temperature Thermal shock Immersion at low air pressure Measurement of insulation resistance Voltage proof test Hermeticity Endurance at temperature Contact resistance at rated current Housing (shell) electrical continuity Contact retention in insert Damp heat, cyclic test Measurement of insulation resistance Mating and unmating forces Insert retention in housing (torsional) Visual examination Hermeticity Group Magnetic permeability Visual examination Stability of male contacts in insert Contact retention in insert Fluid resistance Contact retention system effectiveness (removable contact walkout) Visual examination Measurement of insulation resistance Mating and unmating forces Contact retention in insert Locking wire hole strength Visual examination Group Climatic sequence Measurement of insulation resistance Voltage proof test Contact resistance at rated current Mating and unmating forces Visual examination Use of tools Insert retention in housing (torsional) Sand and dust Flammability 44 EN 2591407 409 412 305 323 314 206 207 322 301 202 205 409 321 206 408 411 101 322 513 101 419 409 315 426 101 206 408 409 422 101 302 206 207 202 408 101 506 411 308 317 Remarks Except model Y Except model Y Only model Y Only model Y Only model Y Method A Except model Y Only model Y Except model Y Except model Y Except model Y Method A Only model Y Method A Except model Y Except model Y BS EN 3646-001:2015 EN 3646-001:2015 (E) Table 15 — Qualification tests (3 to 3) Designation of the test EN 2591- Group Mechanical endurance 406 Holding force of grounding spring system 413 Shielding effectiveness from 100 MHz to GHz Group Air leakage Salt spray Robustness of protective cover attachment Visual examination Group Visual examination Examination of dimensions and mass Soft soldering Measurement of thickness of coating on contacts Adhesion of coating on contacts Group 8: For qualification extension Visual examination Examination of dimensions and mass Mating and unmating forces Housing (shell) electrical continuity Mechanical endurance Salt mist Visual examination Housing (shell) electrical continuity Mating and unmating forces 8.3 Maintenance of qualification 8.3.1 Tests Remarks Only model RS and WS 213 312 307 427 101 101 102 Protective covers Unwired model Y contacts 501 508 509 101 102 408 205 406 Method A 307 101 205 408 Method A The tests shall be carried out every 36 months after qualification on specimens taken at random The manufacturer shall submit, to the mandated body, the results of tests which shall be carried out in accordance with Table 16 8.3.2 Sampling distribution See 8.2.1 See Table 16 45 BS EN 3646-001:2015 EN 3646-001:2015 (E) Table 16 — Sampling distribution Designation of the test EN 2591- Group Visual examination 101 Voltage proof test 207 Examination of dimensions and mass 102 Contact resistance at rated current 202 Housing (shell) electrical continuity 205 Cold/low pressure and damp heat 303 Housing (shell) electrical continuity 205 Measurement of insulation resistance 206 Mating and unmating forces 408 Mechanical endurance 406 Salt mist 307 Measurement of insulation resistance Group 206 Visual examination 101 Contact resistance at rated current 202 Examination of dimensions and mass 102 Endurance at temperature 301 Mating and unmating forces Contact retention system effectiveness (removable contact walkout) Measurement of insulation resistance 408 426 206 8.4 Routing test during production The applicable tests shown in Table 17 shall be performed on all products prior to delivery The contractor may use in process controls for this requirement All contacts delivered with the connector shall be from lots that have met the requirements of the appropriate products standard specified in EN 3646-002 Table 17 — Routing test Designation of the test EN 2591- Visual examination 101 Hermeticity 322 Voltage proof test 46 207 Remarks Model Y only BS EN 3646-001:2015 EN 3646-001:2015 (E) 8.5 Quality control Inspections which are intended to maintain the required quality level are in their entirety the responsibility of the manufacturer, ranging from materials through delivery of the product The quality department of the manufacturer shall be able to demonstrate, at any given time, that the product complies with the manufacturing documentation and with the product standard concerned There shall be a monitoring system in place for the various inspection phases This shall be evidenced by documents kept available by the manufacturer for a period of five years and submitted to the national official services on request Designation and marking 9.1 General principle of designation See product standard 9.2 Marking See product standard 10 Delivery conditions Connectors may be delivered with or without contacts In the case of delivery with contacts, the manufacturer shall supply the following additional items: — — — — one contact per size for arrangements ≤ 26 contacts; two contacts per size for arrangements > 26 contacts; one insertion/extraction tool for each contact size present in the arrangement; unless otherwise specified in the order, sealing plugs, the quantity of which shall be 15 % of the number of contacts or a minimum of one sealing plug per size External threads shall be protected with plastic caps 11 Packaging The connectors with, if applicable, their contacts, sealing plugs and tools shall be packed in transparent, inert plastic bags The contacts and sealing plugs shall be packed in a rigid box to prevent damage The designation required by the product standard shall be affixed on the packaging of connectors 12 Storage Storage shall be in a place free from ultra-violet rays Every five years, an inspection shall be made in accordance with EN 2591-101 The connector shall be repacked in accordance with Clause 11 and the date of inspection shall be marked on the packaging 47 This page deliberately left blank This page deliberately left blank NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards Institution (BSI) BSI is the national body responsible for preparing British Standards and other standards-related publications, information and services BSI is incorporated by Royal Charter British Standards and other standardization products are published by BSI Standards Limited About us Revisions We bring together business, industry, government, consumers, innovators and others to shape their combined experience and expertise into standards -based solutions Our 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