1、BRITISH STANDARD AEROSPACE SERIES BS EN 4124:2004 Shank nuts, self-locking, heat resisting nickel base alloy NI-PH1302 (Waspaloy), silver plated on thread, for 60 swage Classification: 1 210 MPa (at ambient temperature) / 730 C The European Standard EN 4124:2004 has the status of a British Standard
2、ICS 49.030.30 BS EN 4124:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 16 December 2004 BSI 16 December 2004 ISBN 0 580 45091 0 National foreword This British Standard is the official English language version of EN 4124:2004. It supers
3、edes BS EN 4124:2003 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Fasteners and fastening systems, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-ref
4、erences The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of Briti
5、sh Standards Online. 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 does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present
6、 to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an ins
7、ide front cover, the EN title page, pages 2 to 6, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 41
8、24 November 2004 ICS 49.030.30 Supersedes EN 4124:2003 English version Aerospace series - Shank nuts, self-locking, in heat resisting nickel base alloy NI-PH1302 (Waspaloy), silver plated on thread, for 60 swage - Classification: 1 210 MPa (at ambient temperature) / 730 C Srie arospatiale - crous se
9、rtir, freinage interne, en alliage rsistant chaud base de nickel NI-PH1302 (Waspaloy), argents sur filetage, pour sertissage 60 - Classification : 1 210 MPa ( temprature ambiante ) / 730 C Luft- und Raumfahrt - Einnietmuttern, selbstsichernd, aus hochwarmfester Nickelbasislegierung NI-PH1302 (Waspal
10、oy), Gewinde versilbert, fr 60 Aufweitung - Klasse: 1 210 MPa (bei Raumtemperatur) / 730 C This European Standard was approved by CEN on 11 September 2003. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the s
11、tatus 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 Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German).
12、A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark,
13、 Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISC
14、HES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4124:2004: E EN 4124:2004 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Require
15、d characteristics.4 4 Designation 6 5 Marking .6 6 Technical specification .6 EN 4124:2004 (E) 3 Foreword This document (EN 4124:2004) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the
16、 rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identica
17、l text or by endorsement, at the latest by May 2005, and conflicting national standards shall be withdrawn at the latest by May 2005. This document supersedes EN 4124:2003. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to
18、 implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the Unite
19、d Kingdom. EN 4124:2004 (E) 4 1 Scope This standard specifies the characteristics of self-locking shank nuts in NI-PH1302, silver plated on thread, for use in 60 cone holes, for aerospace applications. Classification: 1 210 MPa 1)/ 730 C 2)2 Normative references The following referenced documents ar
20、e indispensable for the application 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. ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts EN 2424,
21、Aerospace series Marking of aerospace products EN 2786, Aerospace series Electrolytic silver plating of fasteners 3)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, s
22、elf-locking, MJ threads, in heat resisting nickel base alloy NI-PH1302 (Waspaloy), silver plated 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
23、 for continuous forging or extrusion for fasteners 3 D 30 mm 3)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 for thread surface. 3.2 Materials EN 2959 or EN 3220 3.3 Su
24、rface treatment EN 2786 on thread only Thickness: thread MJ6: 5 m min. on thread flanks; thread MJ5: shall show complete coverage, without thickness requirement. Coating may extend to counterbore and chamfers at manufacturers option, without thickness requirement. 1) Correspond to the minimum tensil
25、e 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. 2) Maximum test temperature of the parts 3) Published as AECMA Prestandard at the date of publication of this standard EN 4124:2004 (E) 5 Key 1 values a
26、pplicable 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 form out-of-round in this area to achieve the self-locking requirement (tooling marks permissible). 7 pitch dia
27、meter 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 EN 4124:2004 (E) 6 Table 1 Thread aC E H J L P S T Z Code Designation 0,1 0,25 h14 + 0,1 0 nom. Tol. 0 0,1 0,1 0,25max. Mass kg/1 000 parts
28、050 MJ50,8-4H6H 7 13 7 5,2 6,5 9,5 8,5 2,7 060 MJ61-4H5H 8 14 8 6,2 1,8 7,5 10,5 2,4 9,5 3,35 070 MJ71-4H5H 9 16 9 7,2 2,8 + 0,1 0 8,5 11,5 3,4 10,5 4,18 080 MJ81-4H5H 10 17 10 8,2 3,2 + 0,15 0 9,5 12,5 3,9 11,5 5,4 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply befor
29、e forming out-of-round. 4 Designation EXAMPLE Description block NUT Identity block EN4124-050 Number of this standard Thread code (see Table 1) 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
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