1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Aerospace series - Shank nuts, self-locking, in heat resisting steel FE-PA2601 (A286), silver plated on thread - Classification: 1 100 MPa (at ambient temperature) / 650 CBS EN 4122:2018EUROPEAN STANDARD NORME EUROPENNE
2、 EUROPISCHE NORM EN 4122 May 2018 ICS 49.030.30 Supersedes EN 4122:2004 English Version Aerospace series - Shank nuts, self-locking, in heat resisting steel FE-PA2601 (A286), silver plated on thread - Classification: 1 100 MPa (at ambient temperature) / 650 C Srie arospatiale - crous sertir, freinag
3、e interne, en acier rsistant chaud FE-PA2601 (A286), argents sur filetage - Classification : 1 100 MPa ( temprature ambiante ) / 650 C Luft- und Raumfahrt - Einnietmuttern, selbstsichernd, aus hochwarmfestem Stahl FE-PA2601 (A286), Gewinde versilbert - Klasse: 1 100 MPa (bei Raumtemperatur) / 650 C
4、This European Standard was approved by CEN on 22 January 2018. 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 ref
5、erences 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 C
6、EN 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 Macedon
7、ia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATIO
8、N EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2018 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4122:2018 E National forewordThis British Standard is the UK implementation
9、of EN 4122:2018. It supersedes BS EN 4122:2004, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained on request to its secretary.This pub
10、lication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 51747 1ICS 49.030.30Compliance with a British Standard cannot confer immuni
11、ty from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 4122:2018EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4122 May
12、 2018 ICS 49.030.30 Supersedes EN 4122:2004 English Version Aerospace series - Shank nuts, self-locking, in heat resisting steel FE-PA2601 (A286), silver plated on thread - Classification: 1 100 MPa (at ambient temperature) / 650 C Srie arospatiale - crous sertir, freinage interne, en acier rsistant
13、 chaud FE-PA2601 (A286), argents sur filetage - Classification : 1 100 MPa ( temprature ambiante ) / 650 C Luft- und Raumfahrt - Einnietmuttern, selbstsichernd, aus hochwarmfestem Stahl FE-PA2601 (A286), Gewinde versilbert - Klasse: 1 100 MPa (bei Raumtemperatur) / 650 C This European Standard was a
14、pproved by CEN on 22 January 2018. 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 nati
15、onal 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 langu
16、age 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,
17、 Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NOR
18、MUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2018 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4122:2018 E BS EN 4122:2018EN 4122:2018 (E) 2 Contents Page European foreword . 3 1 Scope 4 2 Normative
19、references 4 3 Required characteristics 4 3.1 Configuration Dimensions Tolerances Masses . 4 3.2 Materials . 4 3.3 Surface treatment . 4 4 Designation 6 5 Marking . 6 6 Technical specification 6 BS EN 4122:2018EN 4122:2018 (E) 3 European foreword This document (EN 4122:2018) has been prepared by the
20、 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 approval of the National Associations and the Official Services of the member countries of ASD, p
21、rior 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 November 2018, and conflicting national standards shall be withdrawn at the latest by November 2018. Attention is d
22、rawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 4122:2004. According to the CEN-CENELEC Internal Regulations, the national standards or
23、ganisations 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, Luxembour
24、g, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4122:2018EN 4122:2018 (E) 4 1 Scope This document specifies the characteristics of self-locking shank nuts in FE-PA2601, silver plated on thread, for
25、 aerospace applications. Classification: 1 100 MPa1/ 650 C2. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated referen
26、ces, the latest edition of the referenced document (including any amendments) applies. EN 2399, Aerospace series Heat resisting steel FE-PA2601 (X4NiCrTiMoV26-15) Rm 900 MPa Bars for forged bolts D 25 mm EN 2424, Aerospace series Marking of aerospace products EN 2786, Aerospace series Electrolytic s
27、ilver plating of fasteners EN 3004, Aerospace series Nuts, self-locking, MJ threads, in heat resisting steel FE-PA2601 (A286) Classification: 1 100 MPa (at ambient temperature) / 650 C Technical specification EN 3639, Aerospace series Heat resisting alloy FE-PA2601 Softened and cold worked Wire for
28、forged fasteners D 15 mm 900 MPa Rm 1 100 MPa3ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts 3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figure 1 and Table 1. Dimensions and tolerances are in millimetres. They apply after silver plating
29、 for thread surface. 3.2 Materials EN 2399 or EN 3639. 3.3 Surface treatment EN 2786 on thread and chamfers. Thickness: thread MJ6: 5 m min. on thread flanks; 1Correspond to the minimum tensile stress which the nut is able to withstand at ambient temperature without breaking or cracking when tested
30、with a bolt of a higher strength class. 2Maximum test temperature of the parts. 3Published as ASD-STAN Pre-Standard at the date of publication of this standard http:/www.asd-stan.org/. BS EN 4122:2018EN 4122:2018 (E) 5 thread MJ5: shall show complete coverage, without thickness requirement. Coating
31、may extend to counterbore and chamfers at manufacturers option, without thickness requirement. Key 1 values applicable before silver plating. Thread surface will be as achieved by normal methods of manufacture. 2 remove sharp edges 0,1 to 0,4. 3 not convex 4 chamfer or radius 0,08 max. 5 thread 6 fo
32、rm out-of-round in this area to achieve the self-locking requirement (tooling marks permissible). 7 pitch diameter 8 marking in these areas but not in locking area Details of form not stated are left to the manufacturers discretion. aLimit of the blend radius Figure 1 BS EN 4122:2018EN 4122:2018 (E)
33、 6 Table 1 ThreadaC E H J L P S T Z Mass kg/1 000 parts Code Designation null0,1 null0,25 h14 +0,10nom.Tol. 00,1null0,1 null0,25max. 050 MJ5null0,8-4H6H 7 13 7 5,2 1,8 null0,10 6,5 9,5 2,4 8,5 2,7 060 MJ6null1-4H5H 8 14 8 6,2 7,5 10,5 9,5 3,35 070 MJ7null1-4H5H 9 16 9 7,2 2,8 8,5 11,5 3,4 10,5 4,16
34、080 MJ8null1-4H5H 10 17 10 8,2 3,2 null0,15 9,5 12,5 3,9 11,5 5,4 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. 4 Designation EXAMPLE NOTE If necessary, the code I9005 shall be placed between the description block and the identity block.
35、5 Marking EN 2424, style A, as indicated on Figure 1. 6 Technical specification EN 3004. BS EN 4122:2018This page deliberately left blankEN 4122:2018 (E) 6 Table 1 ThreadaC E H J L P S T Z Mass kg/1 000 parts Code Designation null0,1 null0,25 h14 +0,10nom.Tol. 00,1null0,1 null0,25max. 050 MJ5null0,8
36、-4H6H 7 13 7 5,2 1,8 null0,10 6,5 9,5 2,4 8,5 2,7 060 MJ6null1-4H5H 8 14 8 6,2 7,5 10,5 9,5 3,35 070 MJ7null1-4H5H 9 16 9 7,2 2,8 8,5 11,5 3,4 10,5 4,16 080 MJ8null1-4H5H 10 17 10 8,2 3,2 null0,15 9,5 12,5 3,9 11,5 5,4 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply be
37、fore forming out-of-round. 4 Designation EXAMPLE NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style A, as indicated on Figure 1. 6 Technical specification EN 3004. This page deliberately left blankBSI is the national body
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