BS ISO 9609-2016 Aerospace - Nuts hexagonal plain reduced height normal across flats with MJ threads classifications 450 MPa (at ambient temperature) 120 degrees C 450 MPa (at ambi.pdf

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1、BSI Standards PublicationBS ISO 9609:2016Aerospace Nuts, hexagonal, plain, 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)

2、/235 C, 900 MPa (at ambient temperature) /315 C, 900 MPa (at ambient temperature)/650 C, 1 100 MPa (at ambient temperature) /235 C, 1 100 MPa (at ambient temperature) /730 C and 1 250 MPa (at ambient temperature) /600 C DimensionsBS ISO 9609:2016 BRITISH STANDARDNational forewordThis British Standar

3、d is the UK implementation of ISO 9609:2016.It supersedes BS A 314:1997 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can beobtained on request to

4、its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 86449 0ICS 49.030.30Compliance with a British Standard

5、cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 March 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS ISO 9609:2016 ISO 2016Aerospace Nuts, hexagonal, plain, red

6、uced 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 tempera

7、ture) /650 C, 1 100 MPa (at ambient temperature) /235 C, 1 100 MPa (at ambient temperature) /730 C and 1 250 MPa (at ambient temperature)/600 C DimensionsINTERNATIONAL STANDARDISO9609Second edition2016-02-15Reference numberISO 9609:2016(E)BS ISO 9609:2016ISO 9609:2016(E)ii ISO 2016 All rights reserv

8、edCOPYRIGHT PROTECTED DOCUMENT ISO 2016, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of 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 intran

9、et, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.is

10、o.orgBS ISO 9609:2016ISO 9609:2016(E)Foreword ivIntroduction v1 Scope . 12 Normative references 13 Configuration and dimensions . 1 ISO 2016 All rights reserved iiiContents PageBS ISO 9609:2016ISO 9609:2016(E)ForewordISO (the International Organization for Standardization) is a worldwide federation

11、of national standards bodies (ISO member bodies). The work of 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. I

12、nternational 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 of electrotechnical standardization.The procedures used to develop this document and those

13、intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see

14、 www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the docume

15、nt 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 information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and ex

16、pressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information.The committee responsible for this document is ISO/TC 20, Aircraft and space vehicles, Su

17、bcommittee SC 4, Aerospace fastener systems.This second edition cancels and replaces the first edition (ISO 9609:1996), of which it constitutes a minor revision.iv ISO 2016 All rights reservedBS ISO 9609:2016ISO 9609:2016(E)IntroductionThe dimensions specified in this International Standard have bee

18、n determined to satisfy the requirements of the procurement specification which will be the subject of a future International Standard. ISO 2016 All rights reserved vBS ISO 9609:2016BS ISO 9609:2016Aerospace Nuts, hexagonal, plain, reduced height, normal across flats, with MJ threads, classification

19、s: 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, 1 100 MPa (at ambient temperature) /235 C, 1 100 MP

20、a (at ambient temperature) /730 C and 1 250 MPa (at ambient temperature)/600 C Dimensions1 ScopeThis International Standard specifies the dimensions of plain, hexagonal nuts, reduced height, normal across flats, with MJ threads, of classifications: 450 MPa/120 C, 450 MPa/235 C, 600 MPa/425 C, 900 MP

21、a/235 C, 900 MPa/315 C, 900 MPa/650 C, 1 100 MPa/235 C, 1 100 MPa/730 C, and 1 250 MPa/600 C.NOTE 1 450 MPa, 600 MPa, 900 MPa, 1 100 MPa and 1 250 MPa corresponds to the minimum tensile stress which the nut is able to withstand at ambient temperature without breaking or cracking when tested with a b

22、olt of a higher strength class.NOTE 2 120 C, 235 C, 425 C, 315 C, 650 C, 730 C and 600 C corresponds to the maximum temperature that the nut is able to withstand without permanent alteration to its original characteristics, after ambient temperature has been restored. The maximum temperature is cond

23、itioned by the surface treatment.Nuts provided with holes are intended to be used with lockwire in conformity with ISO 245.This International Standard is only applicable for the compilation of aerospace product standards.2 Normative referencesThe following documents, in whole or in part, are normati

24、vely 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.ISO 245, Aerospace Lockwire DiametersISO 58552, Aerospace MJ thre

25、ads Part 2: Limit dimensions for bolts and nutsISO 8788, Aerospace Nuts, metric Tolerances of form and position3 Configuration and dimensionsSee Figure 1 and Table 1. Dimensions and tolerances are expressed in millimetres. They apply after any surface coating(s) but before the application of any lub

26、ricant.INTERNATIONAL STANDARD ISO 9609:2016(E) ISO 2016 All rights reserved 1BS ISO 9609:2016ISO 9609:2016(E)-0,4-0,1Ramax 6,3Ramax 1,6Ramax 1,6Ramax 1,6Nc,dW g393EH1VL Mc,db,d12090b,dKey1 threadaThese values, in micrometers, apply before any surface coating(s) is/are applied. The values do not appl

27、y to threads the surface texture of which will be as achieved by the usual manufacturing methods.bAll forms of entry (chamfer or radius) permissible within these limiting dimensions.cForm of contour, within limiting dimensions, is left to the manufacturers discretion. Diameter M may be tangential to

28、, but shall not intrude on the flats.dApplicable to both faces.eFrom either face.f2 holes U (optional).gMarking.NOTE Tolerances of form and position shall conform to those specified in ISO 8788.Figure 1 Configuration and dimensions2 ISO 2016 All rights reservedBS ISO 9609:2016ISO 9609:2016(E)Table1

29、DimensionsDimensions in millimetresDiametercodeThreadaEFHLMNUVWLockwirediameterbminh14min.-030,H130,2min.040MJ40,7 4H6H7,67h122,64,2006+,6,40,5050MJ50,8 4H6H8,783,05,27,4060MJ61 4H5H10,910h133,56,3008+,9,31,03,91,40,8070MJ71 4H5H12,0114,07,310,24,41,6080MJ81 4H5H14,3138,312,25,0100MJ10 1,25 4H5H18,9

30、175,010,316,00,61,56,92,11,25120MJ12 1,25 4H5H21,1196,012,318,08,02,6140MJ141,5 4H5H24,5227,014,421,09,63,1160MJ161,5 4H5H26,8248,016,423,010,73,6180MJ181,5 4H5H30,2279,018,426,012,04,1200MJ201,5 4H5H33,63010,020,429,013,44,6220MJ221,5 4H5H35,83211,022,430,914,45,0240MJ242 4H5H40,43612,024,534,916,1

31、5,5aIn accordance with ISO5855-2.bFor information, in conformity with ISO245. ISO 2016 All rights reserved 3BS ISO 9609:2016ISO 9609:2016(E) ISO 2016 All rights reservedICS 49.030.30Price based on 3 pagesThis page deliberately left blankBSI is the national body responsible for preparing British Stan

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