1、BS EN 3672:2016Aerospace series Shanknuts, self-locking, in heatresisting nickel base alloy NI-P101HT (Waspaloy), silverplated, for 30C swage Classification: 1 210 MPa (atambient temperature) / 730CBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 3672:2016 BRITI
2、SH STANDARDNational forewordThis British Standard is the UK implementation of EN 3672:2016. It supersedes BS EN 3672:2008 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represen
3、ted 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 2017.Published by BSI Standards Limited 2017ISBN 978 0 580 9
4、2608 2 ICS 49.030.30 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 2017.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS
5、 EN 3672:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3672 December 2016 ICS 49.030.30 Supersedes EN 3672:2008English Version Aerospace series - Shank nuts, self-locking, in heat resisting nickel base alloy NI-P101HT (Waspaloy), silver plated, for 30C swage - Classification: 1 210 MPa (a
6、t ambient temperature) / 730C Srie arospatiale - crous sertir, freinage interne, en alliage rsistant chaud base de nickel NI-P101HT (Waspaloy), argents, pour sertissage 30C - Classification: 1 210 MPa ( temprature ambiante) / 730C Luft- und Raumfahrt - Einnietmuttern, selbstsichernd, aus hochwarmfes
7、ter Nickelbasislegierung NI-P101HT (Waspaloy), versilbert, fr 30C Aufweitung - Klasse: 1 210 MPa (bei Raumtemperatur) / 730C This European Standard was approved by CEN on 4 March 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving
8、 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 offici
9、al 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 A
10、ustria, 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, Sw
11、eden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR 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
12、CEN national Members. Ref. No. EN 3672:2016 EBS EN 3672:2016EN 3672:2016 (E) 2 Contents Page European foreword 3 1 Scope 4 2 Normative references 4 3 Required characteristics 4 4 Designation . 6 5 Marking . 6 6 Technical specification . 6 Annex A (informative) Standard evolution form 7 BS EN 3672:20
13、16EN 3672:2016 (E) 3 European foreword This document (EN 3672:2016) 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 Standard has received the app
14、roval 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 June 2017, and confli
15、cting national standards shall be withdrawn at the latest by June 2017. 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
16、supersedes EN 3672:2008. 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
17、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 3672:2016EN 3672:2016 (E) 4 1 Scope This European Standa
18、rd specifies the characteristics of self-locking shank nuts in NI-P101HT, silver plated, for use in 30 cone holes, for aerospace applications. Classification: 1 210 MPa 1)/730 C 2).2 Normative references The following documents, in whole or in part, are normatively referenced in this document and ar
19、e 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 2424, Aerospace series Marking of aerospace products EN 2786, Aerospace series Electrolytic silver p
20、lating of fasteners EN 2959, Aerospace series Heat resisting alloy NI-PH1302 (NiCr20Co13Mo4Ti3Al) Solution treated and cold worked Bar for forged fasteners 3 mm D 30 mm 3)EN 3005, Aerospace series Nuts, self-locking, MJ threads, in heat resisting nickel base alloy NI-PH1302 (Waspaloy), silver plated
21、 or uncoated Classification: 1 210 MPa (at ambient temperature)/730 C Technical specification EN 3220, Aerospace series Heat resisting nickel base alloy (Ni-P101HT) Cold worked and softened Bar and wire for continuous forging or extrusion for fasteners 3 D 30 mm 3)ISO 5855-2, Aerospace MJ threads Pa
22、rt 2: Limit dimensions for bolts and nuts 3 Required characteristics 3.1 Configuration, dimensions, tolerances, masses See Figure 1 and Table 1 and Table 2. Dimensions and tolerances are in millimetres. They apply after silver plating. 3.2 Material EN 2959 or EN 3220. 3.3 Surface treatment EN 2786 o
23、n thread, counterbore and chamfers. Thickness: External surfaces: 5 m to 15 m; Thread MJ6: 5 m min. on thread flanks; Thread MJ5: shall show complete coverage, without thickness requirement. 1) The strength class of the bolt concerned which can withstand the load at ambient temperature when tested a
24、t 100 % load without cracking or breaking of the nut. 2) Maximum test temperature of the parts. 3) Published as ASD-STAN Prestandard at the date of publication of this standard by AeroSpace and Defence industries Association of Europe - Standardization (ASD-STAN) (www.asd-stan.org) BS EN 3672:2016EN
25、 3672:2016 (E) 5 Values apply before silver plating. Thread surface will be as achieved by normal methods of manufacture. Remove sharp edges 0,1 mm to 0,4 mm Details of form not stated are left to the manufacturers discretion a Not convex b Pitch diameter c Thread d Form-out-round in this area to ac
26、hieve the self-locking requirement (tooling marks permissible) e Chamfer or radius max. 0,08 f Limit of the blend radius g Marking in these areas but not in locking area Figure 1 Shank nuts Ra max 6,3 Ra max 1,6 Ra max 3,2 BS EN 3672:2016EN 3672:2016 (E) 6 Table 1 Dimensions and masses, (not for new
27、 design) Thread a C E H J L P S T Z Mass 1 000 pieces kg Code Designation 0,1 0,25 h14 + 0,1 0 + 0,1 0 0 0,1 0,1 0,25 max. 050 MJ5 0,8-4H6H 7 13 7 5,2 2,6 6,5 9,5 3,2 8,5 2,77 060 MJ6 1-4H5H 8 14 8 6,2 2,9 7,5 10,5 3,5 9,5 3,47 070 MJ7 1-4H5H 9 16 9 7,2 3,1 8,5 11,5 3,7 10,5 4,2 080 MJ8 1-4H5H 10 17
28、 10 8,2 3,3 9,5 12,5 4 11,5 5,41 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. Table 2 Dimensions and masses Thread aC E H J L P S T Z Mass 1 000 pieces kg Code Designation 0,1 0,25 h14 + 0,1 0 nom. Tol. 0 + 0,3 0,1 0,25 max. 051 MJ5 0,8-
29、4H6H 7 13 7 5,2 1,8 0,1 6,5 9,5 2,4 8,5 2,78 061 MJ6 1-4H5H 8 14 8 6,2 7,5 10,5 9,5 3,45 071 MJ7 1-4H5H 9 16 9 7,2 2,8 8,5 11,5 3,4 10,5 4,28 081 MJ8 1-4H5H 10 17 10 8,2 3,2 0,15 9,5 12,5 3,9 11,5 5,56 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-
30、of-round. 4 Designation EXAMPLE Description block NUT Identity block EN3672-051 Number of this standard Thread code (see Table 1 and Table 2) NOTE If necessary the originator code I9005 shall be placed between the description block and the identity block. 5 Marking EN 2424, Style A, as indicated in
31、Figure 1. 6 Technical specification According to EN 3005. BS EN 3672:2016EN 3672:2016 (E) 7 Annex A (informative) Standard evolution form The main changes with respect to the previous edition are listed in Table A.1. Table A.1 Main changes to previous edition prEN/EN Number Edition Publication Date
32、Modification Reason and validation prEN 3672 P1 02/1998 Table 1 is not valid for new design New Table 2 for new design This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, info
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