BS EN 3660-001:2016 BSI Standards Publication Aerospace series — Cable outlet accessories for circular and rectangular electrical and optical connectors Part 001: Technical specification BS EN 3660-001:2016 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN 3660-001:2016 It supersedes BS EN 3660-001:2006 which is withdrawn The UK participation in its preparation was entrusted to Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology A list of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 2016 Published by BSI Standards Limited 2016 ISBN 978 580 89611 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 31 January 2016 Amendments/corrigenda issued since publication Date Text affected BS EN 3660-001:2016 EN 3660-001 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM January 2016 ICS 49.060 Supersedes EN 3660-001:2006 English Version Aerospace series - Cable outlet accessories for circular and rectangular electrical and optical connectors - Part 001: Technical specification Série aérospatiale - Accessoires arrière pour connecteurs circulaires et rectangulaires électriques et optiques - Partie 001 : Spécification technique Luft- und Raumfahrt - Endgehäuse für elektrische und optische Rund- und Rechtecksteckverbinder - 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 © 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref No EN 3660-001:2016 E BS EN 3660-001:2016 EN 3660-001:2016 (E) Contents Page European foreword Scope Normative references Terms and definitions Conditions of use 5 Design and description 6 Dimensions and mass Operation Tests Quality assurance 10 Designation and marking 13 11 Delivery condition 13 12 Packaging 13 13 Storage 14 BS EN 3660-001:2016 EN 3660-001:2016 (E) European foreword This document (EN 3660-001:2016) 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 European 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 July 2016, and conflicting national standards shall be withdrawn at the latest by July 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 3660-001:2006 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 3660-001:2016 EN 3660-001:2016 (E) Scope This European Standard defines cable outlet accessories for use with circular and rectangular, electrical and optical connectors on aerospace equipment These may be sealed or unsealed and include accessories suitable for the suppression of radio frequency and electromagnetic interference This European Standard is used in conjunction with circular and rectangular electrical and optical connectors for varying temperature ranges, environmental conditions, fire resistant and non-fire resistant applications as designated in the product standards 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 2591- 1), Aerospace series — Elements of electrical and optical connection — Test methods EN 3660-002, Aerospace series — Cable outlet accessories for circular and rectangular electrical and optical connectors — Part 002: Index of product standards EN 9100, Aerospace series — Quality Management Systems — Requirements for Aviation, Space and Defense Organizations EN 9133, Aerospace series — Quality management systems — Qualification procedure for aerospace standard parts ISO 261, ISO general purpose metric screw threads — General plan ISO 263, ISO inch screw threads — General plan and selection for screws, bolts and nuts — Diameter range 0.06 to in ISO 965-1, ISO general-purpose metric screw threads — Tolerances — Part 1: Principles and basic data IEC 60050-581, International electrotechnical vocabulary — Electromechanical components for electronic equipment MIL-HDBK-454B, General Guidelines for Electronic Equipment 2) 1) All parts quoted in Table 2) Published by: DoD National (US) Mil Department of Defense http://www.defenselink.mil/ BS EN 3660-001:2016 EN 3660-001:2016 (E) Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60050-581 apply together with the following 3.1 backshell non-preferred term, use cable outlet accessory 3.2 cable screen termination a device for terminating the cable screen to the cable outlet and giving electrical continuity 3.3 cable tie a flexible strap or cord for securing a cable bundle to a cable outlet 3.4 coupling nut an accessory or part of a component which secures the cable outlet to the body of the connector Conditions of use 4.1 General In accordance with the individual the product standard, refer to EN 3660-002 4.2 Accessory styles See Table Table Style Description A Cable outlet, unsealed C Cable outlet, shielded, unsealed B D E F G H J K Z Cable outlet, sealed Cable outlet, shielded, sealed Conduit adapter, unsealed Conduit adapter, sealed Adaptor (misc incl rectangular), unsealed Adaptor (misc incl rectangular), sealed Cable outlet, for heat shrinkable boot, sealed Cable outlet, for heat shrinkable boot, shielded, sealed Various components, tools BS EN 3660-001:2016 EN 3660-001:2016 (E) 4.3 Material/finish classes See Table Table Class Temperature range A − 65 °C to 175 °C Aluminium/black anodised K − 65 °C to 260 °C Stainless steel/passivated J KE M N(F) P T W Z − 65 °C to 175 °C − 65 °C to 200 °C − 65 °C to 200 °C − 65 °C to 200 °C − 65 °C to 175 °C − 65 °C to 175 °C − 65 °C to 175 °C − 65 °C to 175 °C Material/finish Non-metallic/olive drab cadmium plated Stainless steel/passivated Non-metallic/electroless nickel plated Aluminium/electroless nickel plated Non-metallic/unplated Aluminium /nickel PTFE(Teflon) plated Aluminium/olive drab cadmium plated Aluminium/black zinc nickel plated Design and description 5.1 Design Cable outlet accessories shall be designed and constructed to withstand normal handling incident to installation and maintenance in service They shall be capable of being fitted to and removed from connectors by use of hand only unless otherwise specified in the product standard The cable outlet accessory product standard shall contain outline drawings relating to general installation and interchangeability 5.2 Materials Materials shall be suitable for the purpose intended and as specified in the product standard When a definite material is not specified, a material shall be used which will enable the accessory to meet the performance requirements specified in the product standard When dissimilar materials are employed in intimate contact with each other, protection against corrosion shall be used to ensure that the differential electromotive potential does not exceed 0,25 V 5.3 Finish The finish shall be in accordance with the product standard 5.4 Threads The threads shall conform to either ISO 261, ISO 263 or ISO 965-1 where applicable Dimensions and mass The dimensions of cable outlets and their mass shall be as defined in the product standard BS EN 3660-001:2016 EN 3660-001:2016 (E) Operation Installation instructions and tooling, where necessary, shall be defined in the product standard Tests Tests from the parts of EN 2591-100 applicable to cable outlet accessories are detailed in Table All tests shall be carried out with the cable outlet accessory fitted to a receptacle connector or simulation thereof unless otherwise specified in the product standard Table EN 2591- Designation of the test 101 Visual inspection 102 Examination of dimensions and mass 205 Housing (shell) electrical continuity 212 Shielding effectiveness from 100 MHz to GHz 212 214 Surface transfer impedance (from 100 MHz to GHz) a Lightning strike, current and voltage pulse 301 Endurance at temperature 306 Mould growth 305 307 Rapid change of temperature Salt mist Remarks Initial examination Details to be examined: identification of materials in accordance with the product standard – identification; – appearance; – marking; – surface finish Final examination No loosening of parts, cracks, excessive wear, detached part, etc shall be observed In accordance with the product standard NOTE In the case of an approved inspection system, piece parts (without relation to manufacturing batches of finished products) can be used for dimensional inspection In accordance with the product standard In accordance with the product standard In accordance with the product standard In accordance with the product standard Test set up and mounting should be as per EN 2591-214, except the accessory under test shall be fitted directly to an empty receptacle connector or suitable simulation thereof (no plug connector is required) In accordance with the product standard In accordance with the product standard Unless otherwise required by the product standard Method A Duration 28 days Nil Growth No prior washing No surface etching In accordance with the product standard BS EN 3660-001:2016 EN 3660-001:2016 (E) EN 2591- Designation of the test 308 Sand and dust In accordance with the product standard 315 Fluid resistance In accordance with the product standard 314 316 317 318 402 Immersion at low air pressure Ozone resistance Flammability Fire-resistance Shock 403 Sinusoidal and random vibration 406 Mechanical endurance 420 Mechanical strength of rear accessories 423 Connector rear accessories thread strength 408 422 513 515 Mating and unmating forces Locking wire hole strength Magnetic permeability Hydrolytic stability a GHz to 10 GHz under consideration Remarks In accordance with the product standard In accordance with the product standard In accordance with the product standard In accordance with the product standard In accordance with the product standard Mounting: A counterpart receptacle connector, mounted on a suitable fixture, shall be attached to the shock machine The wired mating plug connector and connector accessory shall be engaged with the receptacle connector by normal locking means The cable shall be clamped to a fixed point at least 200 mm from the rear of the assembly In accordance with the product standard Mounting: A counterpart receptacle connector shall be mounted on a fixture, which in turn shall be attached to the vibration table The fully wired counterpart connector or approved modification to fixturing and connector accessory shall be engaged with the receptacle by normal locking means No safety wire shall be used The sensing device shall monitor vibration at a point on or near the receptacle connector Any cable shall be supported a minimum of 200 mm from the end of the accessory In accordance with the product standard In accordance with the product standard Mounting; Samples shall be coupled to a receptacle shell of simulation thereof, which is in turn mounted to a suitable torque measuring device In accordance with the product standard In accordance with the product standard In accordance with the product standard In accordance with the product standard In accordance with the product standard BS EN 3660-001:2016 EN 3660-001:2016 (E) Quality assurance 9.1 General Quality assurance shall conform to the requirements of EN 9133 and the manufacturer’s quality systems shall conform to EN 9100 9.2 Conditions for qualification 9.2.1 Initial qualification Initial qualification of a cable outlet accessory is obtained: either when specimens as defined in 9.2.2 have satisfied the applicable tests in Group 0, Group 1, Group 2, Group and Group (see Tables 5, 6, ,8 and 9) 9.2.2 Sampling and definition of specimens Four sample cable outlet accessories shall be provided in each of two sizes, a total of eight For circular connectors these shall be small (shell size 08 to 13) and large (shell size 20 and larger) For samples for rectangular connectors, refer to the product standard The eight samples shall be divided into Group and Group (or Groups and 4) as shown in Table and prepared as instructed in 9.2.3 Thirteen samples shall also be provided for Group (fluid resistance test) An additional samples (small and large), for Group 5, shall also be provided if lightning strike applies in the product standard Table Shell size range Small Large Allocation of specimens Groups and Groups and Group Group – Min cable bundle diameter Max cable bundle diameter Min cable bundle diameter Max cable bundle diameter Max cable bundle diameter 1 1 1 1 1 13 Total 9.2.3 Preparation of specimens All samples shall be coupled to a qualified receptacle connector or simulation thereof unless otherwise specified in the product standard Where tests in the product standard requires specimens to be wired, 50 % of the specimens shall be wired with a minimum cable bundle diameter and 50 % of the specimens with a maximum in accordance with the cable entry range specified in the product standard 9.2.4 Programme of qualification tests The qualification approval tests defined in Tables 5, 6, 7, 8, and 10 shall be carried out in the sequence indicated Test EN 2591-306 is to be performed on materials and is not included in the test groups If the materials used conform to MIL-HDBK-454B, guideline 4, Group 1, test EN 2591-306 is not required to be performed BS EN 3660-001:2016 EN 3660-001:2016 (E) Table Designation of the test 2591- Group Remarks All styles unless stated below or in the product standard Visual examination 101 Housing (shell) electrical continuity 205 See the product standard 212 See the product standard Examination of dimensions and mass Surface transfer impedance (from 100 MHz to GHz) a Shielding effectiveness from 100 MHz to GHz a Mating and unmating forces Mechanical endurance Mechanical strength of rear accessories Locking wire hole strength Sinusoidal and random vibration Shock Immersion at low air pressure Visual examination Salt mist Housing (shell) electrical continuity Surface transfer impedance from 100 MHz to GHz a Shielding effectiveness from 100 MHz to GHz a Mating and unmating forces Connector rear accessories thread strength Visual examination a 10 GHz to 10 GHz under consideration 102 212 408 406 420 422 403 402 314 101 307 See the product standard Only styles with anti-decoupling device See the product standard Only styles with wire locking holes Only sealed styles 205 See the product standard 212 See the product standard 212 408 423 101 See the product standard Only styles with anti-decoupling device See the product standard BS EN 3660-001:2016 EN 3660-001:2016 (E) Table Designation of the test 2591- Group Visual examination 101 Magnetic permeability 513 Examination of dimensions and mass Endurance at temperature Rapid change of temperature Sand and dust Ozone resistance Visual examination Flammability Fire resistance Remarks All styles unless stated below or in the product standard 102 301 305 Only styles containing non-metallic elements 316 Only styles containing non-metallic elements 308 101 317 318 Only styles with anti-decoupling devices See the product standard See the product standard Table Designation of the test 2591- Group Visual examination 101 Mating and unmating forces 408 Examination of dimensions and mass Fluid resistance Examination of dimensions and mass Visual examination 102 315 102 Remarks Only styles containing non-metallic elements Only styles with anti-decoupling devices Only styles containing non-metallic elements 101 Table Designation of the test 2591- Group Visual examination 101 Hydrolytic stability 515 Examination of dimensions and mass Visual examination Remarks Only styles containing non-metallic elements 102 101 11 BS EN 3660-001:2016 EN 3660-001:2016 (E) Table Designation of the test 2591- Group Remarks All styles unless stated below or in the product standard Visual examination 101 Mating and unmating forces 408 Only styles with anti-decoupling devices 314 Only sealed styles 205 See the product standard Examination of dimensions and mass Mechanical endurance Immersion at low air pressure Salt mist Housing (shell) electrical continuity Visual examination 102 406 307 101 Table 10 Designation of the test 2591- Group Remarks All styles unless stated below or in the product standard This test group does not apply if lightning strike is not required in the product standard Visual examination 101 Housing (shell) electrical continuity 205 See the product standard 205 See the product standard Examination of dimensions and mass Lightning strike, current and voltage pulse Housing (shell) electrical continuity Visual examination 102 214 101 See the product standard 9.2.5 Extension of qualification EN 9133 permits Qualification by Similarity For parts which differ only in minor details from those already submitted for qualification, the manufacturer shall provide data from control drawings which describes the similarities to already qualified parts This data shall be tabulated in the Qualification Test Plan (QTP) and compared against requirements in the product standard for which qualification is sought The extent of qualification testing by similarity shall be clearly specified by the manufacturer and approved by the Mandated Body 9.3 Conditions for acceptance testing and inspection The conditions for acceptance testing and inspection are defined in either the product standard or in other definition documents 12 BS EN 3660-001:2016 EN 3660-001:2016 (E) 9.4 Quality control The conditions for quality control are defined in EN 9100 9.5 Maintenance of qualification See EN 9133 10 Designation and marking 10.1 Designation of cable outlet accessory EXAMPLE Description block CABLE OUTLET ACCESSORY Identity block EN3660-XXXXXXXX Standard number Material/finish (see the product standard) Shell size (see the product standard) Variant (see the product standard) Variant (see the product standard) NOTE NOTE No gaps are required between sections in the part number when printed If necessary, the code I9005 shall be placed between the description block and the identity block 10.2 Marking Marking shall be applied as follows and shall include: the designation as defined in 10.1; the date of manufacture (year/week); the manufacturers name or trademark 11 Delivery condition Delivery conditions shall be in accordance with the product standard 12 Packaging Cable outlet accessories shall be packed in transparent, inert plastic bags in accordance with EN 2591100 13 BS EN 3660-001:2016 EN 3660-001:2016 (E) 13 Storage Storage shall be in a place free from ultra-violet rays Every five years an inspection shall be made in accordance with test EN 2591-101 The date of inspection shall be marked on and the component re-packed in accordance with Clause 12 14 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 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