1、BRITISH STANDARDBS EN 3033:2008Aerospace series Nuts, self-locking, hexagonal with captive washer, in heat resisting steel FE-PA2601 (A286), uncoated Classification: 1 100 MPa/425 CICS 49.030.30g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38
2、g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3033:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 May 2008 BSI 2008ISBN 978 0 580 60516 1National forewordThis British Standard is t
3、he UK implementation of EN 3033:2008. 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 publication does not purport to
4、include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3033
5、April 2008 ICS 49.030.30 English Version Aerospace series - Nuts, self-locking, hexagonal with captive washer, in heat resisting steel FE-PA2601 (A286), uncoated - Classification : 1 100 MPa/425 C Srie arospatiale - Ecrous hexagonaux avec rondelle captive, auto-freinant, en acier rsistant chaud FE-P
6、A92HT (A286), non revtu - Classification: 1 100 MPa/425 C Luft- und Raumfahrt - Echskantmuttern, selbstsichernd mit Brdelscheibe, aus hochwarmfestem Stahl FE-PA2601 (A286), blank - Klasse: 1 100 MPa/425 C This European Standard was approved by CEN on 12 December 2007. CEN members are bound to comply
7、 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 national standards may be obtained on application to the CEN Managemen
8、t 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 language and notified to the CEN Management Centre has the same status as the o
9、fficial 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, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia,
10、 Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reserved worldwide fo
11、r CEN national Members. Ref. No. EN 3033:2008: E2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Required characteristics.4 4 Designation 6 5 Marking .6 6 Technical specification and product qualification.6 BS EN 3033:20083 Foreword This document (EN 3033:2008) has been prepared by the
12、 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,
13、 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 October 2008, and conflicting national standards shall be withdrawn at the latest by October 2008. Attention is d
14、rawn 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. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the follo
15、wing countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slov
16、enia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 3033:20084 1 Scope The standard specifies the dimensions of self-locking, uncoated hexagonal nuts with captive washer and MJ-thread in heat resisting steel FE-PA2601 (A286) for aerospace applications. Maximum test temperature of the part
17、s is 425 C. 2 Normative references The following referenced documents are 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 5855-1, Ae
18、rospace MJ threads Part 1: General requirements. ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts. EN 2399, Heat resisting steel FE-PA92-HT Rm 900 MPa Bars for forged bolts D 25 mm Aerospace series. 1)EN 2424, Aerospace series Marking of aerospace products. EN 2516, Aeros
19、pace series Passivation of corrosion resisting steels and decontamination of nickel base alloys. EN 3152, Aerospace series Nuts, self-locking, MJ threads, in heat resisting steel FE-PA2601 (A286), silver plated or uncoated Classification: 1 100 MPa (at ambient temperature) / 425 C Technical specific
20、ation. EN 3638, Aerospace series Heat resisting alloy FE-PA2601 (X6NiCrTiMoV26-15) Consumable electrode remelted Solution and precipitation treated Sheet, strip and plate 0,5 mm a 10 mm. EN 3639, Aerospace series Heat resisting alloy FE-PA2601 Softened and cold worked Wire for forged fasteners D 15
21、mm 900 MPa Rm 1 100 MPa.2)EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts. 3 Required characteristics 3.1 Configuration Dimensions Tolerances Configuration shall be in accordance with the Figure 1; dimensions, tolerances and masses shall conf
22、orm to Figure 1 and Table 1. Details of form not stated are at the manufacturers option. 1) Published as ASD Standard at the date of publication of this standard. 2) Published as ASD Prestandard at the date of publication of this standard. BS EN 3033:20085 3.2 Material Nut: Heat resisting steel FE-P
23、A2601 according to EN 2399, EN 3638 or EN 3639. Washer: Heat resisting steel FE-PA2601 according to EN 3638 or steel FE-PA3601. 3.3 Surface treatment Nut: None. Washer: Passivated to EN 2516. Threads surface will be achieved by normal methods of manufacture Break sharp edges 0,1 mm to 0,4 mm. Key 1
24、Bearing surface may be flat to concave, but shall not be convex 2 Washer shall be free to rotate on the nut 3 Form out-of-round in this area to achieve the self-locking torque requirements tool marks acceptable 4 Pitch diameter 5 Thread 6 Chamfer, radius or broken edge 7 Marking in those areas permi
25、ssible Figure 1 Configuration 6,3 1,6 BS EN 3033:20086 Table 1 Dimensions and masses Dimensions in millimetres E F b G H K L M N c y z d Diameter code Thread a min. nom. Tol. max. max. min. max. min. min. Mass kg/1 000Part 030 MJ30,5-4H6H 4,2 4 7,2 3,4 5,2 3,8 1,2 0,35 040 MJ40,7-4H6H 5,3 5 8,6 4,4
26、6,4 4,8 1,5 0,2 0,6 050 MJ50,8-4H6H 6,5 6 10,9 5,6 7,6 5,8 2 0,91 060 MJ61-4H5H 7,6 7 12,4 6,0 9 6,8 2,3 1,18 070 MJ71-4H5H 8,7 8 h12 13,9 6,9 11 8 2,7 0,1 1,77 080 MJ81-4H5H 10,9 10 15,4 7,8 12 9 3,2 3,43 100 MJ101,25-4H5H 13,2 12 18,6 9,6 14,7 11 3,8 5,2 120 MJ121,25-4H5H 15,5 14 h13 21,7 11,4 18,
27、5 13 0,4 4,5 0,15 0,4 10,7 aThread in conformity with ISO 5855-1 and ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. bAcross flats dimensions apply before forming out-of-round, but finished nuts shall fit a standard socket wrench. cWrench pad engagement. dThes
28、e values apply before forming out-of-round. 4 Designation EXAMPLE Description block NUT Identity block EN3033-050 Number of this standard Diameter code (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking Each hexagonal nut s
29、hall be marked in accordance to EN 2424, class F. 6 Technical specification and product qualification The hexagonal nuts shall be qualified in accordance with EN 9133, conforming to the requirements of EN 3152. BS EN 3033:2008blankBS EN 3033:2008BSI389 Chiswick High RoadLondonW4 4ALBSI British Stand
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