1、BRITISH STANDARDBS EN 4399:2008Aerospace series Rings, threaded, self-locking, in heat resisting steel FE-PA92HT (A286), silver platedICS 49.030.50g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g
2、3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 4399:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2008 BSI 2008ISBN 978 0 580 57074 2National forewordThis British Standard is the UK implementation of EN 4399:2008.The UK p
3、articipation 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 cont
4、ract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 4399April 2008ICS 49.030.50English VersionAerospace se
5、ries - Rings, threaded, self-locking, in heatresisting steel FE-PA92HT (A286), silver platedSrie arospatiale - Bagues filetes, freinage interne, enacier rsistant chaud FE-PA92HT (A286), argentesLuft- und Raumfahrt - Gewinderinge, selbstsichernd, aushochwarmfestem Stahl FE-PA92HT (A286), versilbertTh
6、is European Standard was approved by CEN on 26 August 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical referenc
7、es concerning such nationalstandards may be obtained on application to the CEN 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 translationunder the responsibility of a CEN member into i
8、ts own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lith
9、uania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN
10、 All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4399:2008: E2 Contents Page Foreword3 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 tre
11、atment 4 4 Designation 7 5 Marking .7 6 Technical specification .7 BS EN 4399:20083 Foreword This document (EN 4399:2008) 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 o
12、f this 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
13、by endorsement, at the latest by October 2008, and conflicting national standards shall be withdrawn at the latest by October 2008. 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 f
14、or identifying any or all such patent rights. 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, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germa
15、ny, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 4399:20084 1 Scope This standard specifies the characteristics of threaded, self-locking ri
16、ngs, in FE-PA2601, silver plated, metric, chiefly used for axial location of bearing outer rings. Maximum test temperature of the parts: 450 C. NOTE These parts are designed to be used with 4H6H internal threads. 2 Normative references The following referenced documents are indispensable for the app
17、lication 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 5855-1, Aerospace MJ threads Part 1: General requirements. EN 2171 1), Heat resisting steel FE-PA92-HT Rm 900
18、 MPa Bars Aerospace series. 2)EN 2424, Aerospace series Marking of aerospace products. EN 2786, Aerospace series Electrolytic silver plating of fasteners. EN 3299, Aerospace series Shaft-nuts and threaded rings, self-locking, right- or left-hand MJ threads, in heat resisting steel FE-PA2601 (A286),
19、silver plated Technical specification. EN 4317, Aerospace series Heat resisting alloy FE-PA2601 (X6NiCrTiMoV26-15) Non heat treated Forging stock a or D 200 mm. EN 4318, Aerospace series Heat resisting alloy FE-PA2601 (X6NiCrTiMoV26-15) Solution treated and precipitation treated Bar and section De 1
20、00 mm Rm 960 MPa. 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. 3.2 Material EN 2171 3.3 Surface treatment EN 2786, 5 m min. shall be measured at the pitch diame
21、ter of threads and 5 m to 15 m for other surfaces. 1) Inactive for new design, see EN 4317 and EN 4318. 2) Published as ASD Standard at the date of publication of this standard. BS EN 4399:20085 Remove sharp edges 0,1 to 0,4. Key 1 N equally spaced scallops 2 40 to 50 3 Pitch diameter 4 30 to 60 5 M
22、arking 6 Chamfer at the manufacturers discretion 7 Thread 8 R 0,5 to 0,7 Details of form not stated and self-locking feature are left to the manufacturers discretion. Figure 1 0,8 6,3 BS EN 4399:20086 Table 1 ThreadaE F H J K M N P bMass kg/1 000 parts Code Designation 0,2 0 0,2 + 0,2 0,1 0,1 0,2 0,
23、1 max. 018 MJ181,5-4g6g 13 6 7 12 16 3,5 18,8 7 019 MJS191,5-4g6g 14 13 17 19,8 7,3 020 MJ201,5-4g6g 18 20,8 7,6 021 MJS211,5-4g6g 15 7 14 19 21,8 8 022 MJ221,5-4g6g 16 15 20 22,8 8,4 023 MJS231,5-4g6g 17 8 16 21 23,8 8,8 024 MJ241,5-4g6g 18 17 22 24,8 9,2 025 MJ251,5-4g6g 19 9 18 23 25,8 9,6 026 MJ
24、261,5-4g6g 20 19 24 26,8 10 027 MJ271,5-4g6g 25 27,8 10,4 028 MJ281,5-4g6g 21 20 26 28,8 10,8 029 MJS291,5-4g6g 22 10 21 27 29,8 11,2 030 MJ301,5-4g6g 23 7,5 22 28 3,7 30,8 11,5 031 MJS311,5-4g6g 24 23 29 31,8 12 032 MJ321,5-4g6g 25 12 24 30 4 32,8 12,5 033 MJ331,5-4g6g 26 25 31 33,8 13 034 MJS341,5
25、-4g6g 27 26 32 34,8 13,5 035 MJ351,5-4g6g 28 27 33 35,8 14 036 MJ361,5-4g6g 29 9 28 34 36,8 14,5 037 MJS371,5-4g6g 30 29 35 37,8 15 038 MJ381,5-4g6g 31 30 36 38,8 15,5 039 MJ391,5-4g6g 32 31 37 39,8 16 040 MJ401,5-4g6g 33 10 8 32 38 4 6 40,8 16,5 a In conformity with ISO 5855-1 in none self-locking
26、zone b Maximum diameter of outer envelope circle after realizing self-locking feature BS EN 4399:20087 4 Designation EXAMPLE Description block RING Identity block EN4399040 Number of this standard Thread code (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description blo
27、ck and the identity block. 5 Marking EN 2424, style A, as indicated on the Figure 1. 6 Technical specification EN 3299 BS EN 4399:2008BS EN 4399:2008BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards.
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