1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Aerospace series - Shank nuts, self-locking, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated on thread - Classification: 1 550 MPa (at ambient temperature) / 600 CBS EN 4123:2018EUROPEAN STAND
2、ARD NORME EUROPENNE EUROPISCHE NORM EN 4123 May 2018 ICS 49.030.30 Supersedes EN 4123:2004English Version Aerospace series - Shank nuts, self-locking, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated on thread - Classification: 1 550 MPa (at ambient temperature) / 600 C Sri
3、e arospatiale - crous sertir, freinage interne, en alliage rsistant chaud base de nickel NI-PH2601 (Inconel 718), argents sur filetage - Classification : 1 550 MPa ( temprature ambiante ) / 600 C Luft- und Raumfahrt - Einnietmuttern, selbstsichernd, aus hochwarmfester Nickelbasislegierung NI-PH2601
4、(Inconel 718), Gewinde versilbert - Klasse: 1 550 MPa (bei Raumtemperatur) / 600 C 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
5、 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 official versions (English, French, German).
6、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 Austria, Belgium, Bulgaria, Croatia, Cyp
7、rus, 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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and U
8、nited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION 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.
9、No. EN 4123:2018 ENational forewordThis British Standard is the UK implementation of EN 4123:2018. It supersedes BS EN 4123:2004, 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
10、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. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978
11、 0 580 51748 8ICS 49.030.30Compliance 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 May 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH ST
12、ANDARDBS EN 4123:2018EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4123 May 2018 ICS 49.030.30 Supersedes EN 4123:2004English Version Aerospace series - Shank nuts, self-locking, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated on thread - Classification: 1 550 MPa (
13、at ambient temperature) / 600 C Srie arospatiale - crous sertir, freinage interne, en alliage rsistant chaud base de nickel NI-PH2601 (Inconel 718), argents sur filetage - Classification : 1 550 MPa ( temprature ambiante ) / 600 C Luft- und Raumfahrt - Einnietmuttern, selbstsichernd, aus hochwarmfes
14、ter Nickelbasislegierung NI-PH2601 (Inconel 718), Gewinde versilbert - Klasse: 1 550 MPa (bei Raumtemperatur) / 600 C 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 thi
15、s 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 official v
16、ersions (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 Austr
17、ia, 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, Serbia, Slovakia, Slovenia, Spain
18、, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION 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 worldw
19、ide for CEN national Members. Ref. No. EN 4123:2018 EBS EN 4123:2018EN 4123:2018 (E) 2 Contents Page European foreword . 3 1 Scope 4 2 Normative references 4 3 Required characteristics 4 3.1 Configuration Dimensions Tolerances Masses . 4 3.2 Material . 4 3.3 Surface treatment . 4 4 Designation 6 5 M
20、arking . 6 6 Technical specification 6 BS EN 4123:2018EN 4123:2018 (E) 3 European foreword This document (EN 4123:2018) 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 th
21、is Association, this Standard has received the approval 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 e
22、ndorsement, at the latest by November 2018, and conflicting national standards shall be withdrawn at the latest by November 2018. Attention is drawn 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 an
23、y or all such patent rights. This document supersedes EN 4123:2004. 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,
24、Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4123:
25、2018EN 4123:2018 (E) 4 1 Scope This document specifies the characteristics of self-locking shank nuts in NI-PH2601, silver plated on thread, for aerospace applications. Classification: 1 550 MPa1/ 600 C2. 2 Normative references The following documents are referred to in the text in such a way that s
26、ome or all of their content constitutes requirements of this document. 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, Aero
27、space series Electrolytic silver plating of fasteners EN 2952, Aerospace series Heat resisting alloy NI-PH2601 Solution treated and cold worked Bar for forged fasteners D 50 mm 1 270 MPa Rm 1 550 MPa3EN 4047, Aerospace series Nuts, self-locking, MJ threads, in heat resisting nickel base alloy NI-PH2
28、601 (Inconel 718), silver plated Classification: 1 550 MPa (at ambient temperature) / 600 C Technical specification ISO 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. Dimensi
29、ons and tolerances are in millimetres. They apply after silver plating for thread surface. 3.2 Material EN 2952. 3.3 Surface treatment EN 2786 on thread only. Thickness: thread MJ6: 5 m min. on thread flanks; thread MJ5: shall show complete coverage, without thickness requirement. 1Correspond to the
30、 minimum tensile stress which the nut is able to withstand at ambient temperature without breaking or cracking when tested with a bolt of a higher strength class. 2Maximum test temperature of the parts. 3Published as ASD-STAN Prestandard at the date of publication of this standard. http:/www.asd-sta
31、n.org/. BS EN 4123:2018EN 4123:2018 (E) 5 Coating 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 co
32、nvex 4 chamfer or radius 0,08 max. 5 thread 6 form 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 r
33、adius Figure 1 BS EN 4123:2018EN 4123:2018 (E) 6 Table 1 Threada C 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 2,78 060 MJ6null1-4H5H 8 14 8 6,2 7,5 10,5 9,5 3,45 070 MJ7n
34、ull1-4H5H 9 16 9 7,2 2,8 8,5 11,5 3,4 10,5 4,28 080 MJ8null1-4H5H 10 17 10 8,2 3,2 null0,15 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-of-round. 4 Designation EXAMPLE NOTE If necessary, the code I9005 shall be placed betwe
35、en the description block and the identity block. 5 Marking EN 2424, style A, as indicated on Figure 1. 6 Technical specification EN 4047. BS EN 4123:2018This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for preparing British Standards and other st
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