© ISO 2016 Aerospace — Nuts, hexagonal, slotted (castellated), reduced height, normal across flats, with MJ threads, classifications 450 MPa (at ambient temperature)/120 °C, 450 MPa (at ambient temper[.]
INTERNATIONAL STANDARD ISO 9618 Second edition 2016-02-15 Aerospace — Nuts, hexagonal, slotted (castellated), reduced height, normal across flats, with MJ threads, classifications: 450 MPa (at ambient temperature)/120 °C, 450 MPa (at ambient temperature)/235 °C, 600 MPa (at ambient temperature)/ 425 °C, 900 MPa (at ambient temperature)/235 °C, 900 MPa (at ambient temperature)/315 °C, 900 MPa (at ambient temperature)/ 650 °C, 100 MPa (at ambient temperature)/235 °C, 100 MPa (at ambient temperature)/ 730 °C and 250 MPa (at ambient temperature)/600 °C — Dimensions Aéronautique et espace — Écrous hexagonaux créneaux, hauteur réduite, surplats normaux, filetage MJ, classifications: 450 MPa (à température ambiante)/1 20 °C, 450 MPa (à température ambiante)/235 °C, 600 MPa (à température ambiante)/425 °C, 900 MPa (à température ambiante)/235 °C, 900 MPa (à température ambiante)/31 °C, 900 MPa (à température ambiante)/650 °C, 1 00 MPa (à température ambiante)/235 °C, 1 00 MPa (à température ambiante)/730 °C et 250 MPa (à température ambiante)/600 °C — Dimensions Reference number ISO 9618:2016(E) © ISO 2016 ISO 9618:2016(E) COPYRIGHT PROTECTED DOCUMENT © ISO 2016, Published in Switzerland All rights reserved Unless otherwise specified, no part o f this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission Permission can be requested from either ISO at the address below or ISO’s member body in the country o f the requester ISO copyright o ffice Ch de Blandonnet • CP 401 CH-1214 Vernier, Geneva, Switzerland Tel +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org ii © ISO 2016 – All rights reserved ISO 9618:2016(E) Contents Page Foreword iv Introduction v Scope Normative references Configuration and dimensions © ISO 2016 – All rights reserved iii ISO 9618:2016(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies) The work o f preparing International Standards is normally carried out through ISO technical committees Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters o f electrotechnical standardization The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part In particular the different approval criteria needed for the di fferent types o f ISO documents should be noted This document was dra fted in accordance with the editorial rules of the ISO/IEC Directives, Part (see www.iso.org/directives) Attention is drawn to the possibility that some o f the elements o f this document may be the subject o f patent rights ISO shall not be held responsible for identi fying any or all such patent rights Details o f any patent rights identified during the development o f the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents) Any trade name used in this document is in formation given for the convenience o f users and does not constitute an endorsement For an explanation on the meaning o f ISO specific terms and expressions related to formity assessment, as well as information about ISO’s adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary in formation The committee responsible for this document is ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 4, Aerospace fastener systems This second edition cancels and replaces the first edition (ISO 9618:1996), o f which it constitutes a minor revision iv © ISO 2016 – All rights reserved I SO : (E ) Introduction T he di mens ions s p eci fied i n thi s I nternational Standard have b e en determine d to s ati s fy the requi rements o f the pro curement s p e ci fication which wi l l b e the s ubj e c t o f a © ISO 2016 – All rights reserved future I nternational Standard v INTERNATIONAL STANDARD ISO 9618:2016(E) Aerospace — Nuts, hexagonal, slotted (castellated), reduced height, normal across flats, with MJ threads, classifications: 450 MPa (at ambient temperature)/120 °C, 450 MPa (at ambient temperature)/235 °C, 600 MPa (at ambient temperature)/425 °C, 900 MPa (at ambient temperature)/235 °C, 900 MPa (at ambient temperature)/315 °C, 900 MPa (at ambient temperature)/650 °C, 100 MPa (at ambient temperature)/235 °C, 100 MPa (at ambient temperature)/730 °C and 250 MPa (at ambient temperature)/600 °C — Dimensions Scope T h i s I nternationa l Sta nda rd s p e c i fie s the d i men s ion s o f he xagon slo tte d (c as tel late d) nuts , re duce d height, 600 norma l ac ro s s M Pa/42 °C , flats , with M J 900 M Pa/2 th re ad s , °C , 900 o f clas s i fic ation s: M Pa/3 °C , 900 45 M Pa/1 M Pa/6 °C , °C , 45 10 M Pa/2 M Pa/2 °C , °C , 10 M Pa/7 ° C , and M Pa/6 0 ° C NO TE 45 M P a, 0 M P a, 0 M P a, 10 M P a a nd M P a cor re s p ond s to the m i n i mu m ten s i le s tre s s NO TE 2 ° C , ° C , 42 ° C , ° C , ° C , ° C a nd 0 ° C cor re s p ond s to the m a xi mu m temp eratu re which the nut is able to withstand at ambient temperature without breaking or cracking when tested with a bolt of a higher strength class that the nut is able to withstand without permanent alteration to its original characteristics, after ambient temp eratu re h a s b e en re s to re d T he m a xi mu m temp eratu re i s co nd itione d b y the s u r face tre atment T he s e nuts are i ntende d to b e u s e d with s pl it pi n s i n form ity with I S O This International Standard is applicable for the compilation of aerospace product standards Normative references T he fol lowi ng i nd i s p en s able c u ments , i n whole or i n p ar t, are normatively re ference d i n th i s c u ment a nd are for its appl ic ation For date d re ference s , on ly the e d ition cite d appl ie s For u ndate d re ference s , the late s t e d ition o f the re ference d c u ment (i nclud i ng any amend ments) appl ie s I S O 4, Split pins ISO 5855–2, Aerospace — MJ threads — Part 2: Limit dimensions for bolts and nuts ISO 8788, Aerospace — Nuts, metric — Tolerances of form and position Configuration and dimensions See Figure and Table D i men s ion s a nd tolerance s a re expre s s e d i n m i l l i me tre s T hey apply a fter any s ur face co ati ng(s) but b e fore the appl ication o f any lubric ant © ISO 2016 – All rights reserved ISO 9618:2016(E) Ramax 6,3 Ramax ,6 ? - ,4 - ,1 Y? S/4 S/1 ≤ ? E M? L? Y F J 12 0° 90 ? ° 15° 5° ≤ s? R ≥ R ≥ SS/ /1 45 ° ? Ramax ,6 G? N G H Key a b c d e f g These values, in micrometres, apply be fore any surface coating(s) is/are applied The values not apply to threads the surface texture o f which will be as achieved by the usual manufacturing methods Applies to height below slots and height o f flats (diameter codes 060 to 240) This dimension also applies to the upper cham fer All forms o f entry (chamfer or radius) permissible within these limiting dimensions Diameter M may be tangential to, but shall not intrude on the flats slots Form of contour within limiting dimensions at manufacturer’s option (4:1) Form (radius or chamfer) at bottom of slot at manufacturer’s option NOTE Tolerances o f form and position shall form to those specified in ISO 8788 Details o f form not stated are at the manufacturer’s discretion Figure — Configurations and dimensions © ISO 2016 – All rights reserved © ISO 2016 – All rights reserved Table — Dimensions Diameter code a b 040 050 060 070 080 100 120 140 160 180 200 220 240 Thread a M J4 × ,7 – 4H6H M J5 × , – 4H 6H M J6 × – 4H H M J × – 4H H M J × – 4H H M J10 × , – 4H H M J1 × , – 4H H M J14 × , – 4H H M J16 × , – 4H H E F 7,6 8,7 10,9 12,0 10 11 14, 13 18,9 21,1 24,5 26,8 17 19 22 24 27 M J1 × , – 4H H 30,2 M J × , – 4H H 33 ,6 30 M J 2 × , – 4H H 35,8 32 M J × – 4H H In accordance with ISO 5855-2 40,4 Fo r i n fo r m atio n , i n co n fo r m i t y with I S O 36 fo r h12 G H h14 ±0,25 2,1 2,4 4,1 4,8 5,4 5,8 6,0 7,6 8,4 10,0 10,8 12,4 ,0 3,2 h1 4,0 4,8 5,6 6,4 7,2 8,0 8,8 9,6 J ±0,25 — — 10 11 13 16 18 22 25 28 13,2 14,0 14,8 the s p l i t p i n m a xi mu m d i a me ter b ut no t 30 32 fo r L 4,2 5,2 + ,6 6,3 9, 7, 8,3 10 , 12 ,3 14,4 16,4 18,4 20,4 22,4 24,5 M 6,4 7,4 + ,8 10,2 12,2 16,0 18,0 21,0 ,0 26,0 29,0 ,9 Dimensions in millimetres N S - ,3 H14 1,3 0,5 split pin diameterb 1,0 1,7 1,4 2,1 1,8 2,6 0,6 Maximum 3,2 4,0 ,3 2,9 ,7 4,9 the s p l i t p i n m a xi mu m d i a me te r/th re ad d i a me te r co mb i n atio n ISO 9618:2016(E) I SO : (E ) I CS 49 Price based on pages © ISO 2016 – All rights reserved