BS ISO 8641:2008 BRITISH STANDARD Aerospace Self- locking nuts with maximum operating temperature greater than 425 degrees C Procurement Specification ICS 49.030.30 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BS ISO 8641:2008 National foreword This British Standard is theUK implementation of ISO8641:2008. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems. 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. Compliance with a British Standard cannot confer immunity fromlegal obligations. This British Standard Amendments/corrigendaissuedsincepublication was published under the authority of the Standards Policy and Date Comments Strategy Committee on 30 September2008 BSI 2008 ISBN9780580555831 BS IS0 8641:2008 ISO INTERNATIONAL 8641 STANDARD Second edition 2008-09-01 Aerospace Self-locking nuts with maximum operating temperature greater than 425 °c Procurement specification Aéronautique et espace-Ecrous a freinage internedont la temperature maximale d'utilisation est superieure a 425°C Specificationd'approvisionnement Reference number ISO 8641:2008(E) @ISO 2008 BS ISO 8641:2008 ISO 8641:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTEDDOCUMENT ? ISO2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means. ISO's member body in the country of the requester. ISO copyright office Casepostale56.CH-1211Geneva20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii @ISO2008-All rights reserved BS ISO 8641:2008 ISO8641:2008(E) Contents Page Foreword. iv 1 Scope. 2 Normative references. 3 Terms and definitions... 2 4 Quality assurance.. 4 4.1 General...... 4.2 Qualification inspection and test conditions...... 4.3 Production acceptance inspection and test conditions... 4.4 Use of "statistical process control (SPC)"... 5 5 Technicalrequirements. 5 AnnexA(normative)Typeofpermissiblesurfacediscontinuities(see5.1.3) Annex B (informative)Cross-sectional area and formulae for axial loads (see Table 3).. @ IS0 2008 - All rights reserved ili BSISO8641:2008 ISO8641:2008(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. rights. IsO shall not be held responsible for identifying any or all such patent rights. Aerospacefastenersystems. Thissecondeditioncancelsandreplacesthefirstedition(isO8641:1987)whichhasbeentechnicallyrevised iv ISO 2008 - All rights reserved BS ISO 8641:2008 INTERNATIONAL STANDARD ISO 8641:2008(E) Aerospace Self-locking nuts with maximum operating temperaturegreaterthan425CProcurementspecification Scope foruse inaerospaceconstruc