1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 3706:2012Aerospace series Headlessthreaded plugs, cross recess, inaluminium alloy 5086BS EN 3706:2012 BRITISH STANDARDNational forewordThis British Standard is the UK imple
2、mentation of EN 3706:2012.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all th
3、e necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 75716 7ICS 49.030.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standar
4、d was published under the authority of theStandards Policy and Strategy Committee on 31 March 2012.Amendments issued since publicationDate Text affectedBS EN 3706:2012EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3706 March 2012 ICS 49.030.20 English Version Aerospace series - Headless thread
5、ed plugs, cross recess, in aluminium alloy 5086 Srie arospatiale - Bouchons filets, sans tte, empreinte cruciforme, en alliage daluminium 5086 Luft- und Raumfahrt - Verschlussschraube ohne Kopf mit Kreuzschlitz, aus Aluminiumlegierung 5086 This European Standard was approved by CEN on 24 September 2
6、011. 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 national standards may be obtained
7、 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 language and notified to the CEN-CE
8、NELEC 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Mal
9、ta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights
10、 of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3706:2012: EBS EN 3706:2012EN 3706:2012 (E) 2 Contents Page Foreword . 31 Scope 42 Normative references . 43 Required characteristics 43.1 Configuration Dimensions Tolerances 43.2 Material . 44 Des
11、ignation 65 Marking. 66 Installation holes . 6BS EN 3706:2012EN 3706:2012 (E) 3 Foreword This document (EN 3706:2012) 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
12、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
13、ndorsement, at the latest by September 2012, and conflicting national standards shall be withdrawn at the latest by September 2012. 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, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Fran
15、ce, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 3706:2012EN 3706:2012 (E) 4 1 Scope This European standard specifies chara
16、cteristics of headless threaded plugs, cross recess, in aluminium alloy 5086, for aerospace purpose. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cite
17、d applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2424, Aerospace series Marking of aerospace products EN 2699, Aerospace series Aluminium alloy (5086) Annealed and straightened (H 111) Drawn bar 6 D 50 mm 1EN 3707, Aerospace seri
18、es Headless threaded plugs Installation holes ISO 5855-1, Aerospace MJ Threads Part 1: General requirements ISO 965-3, ISO general purpose metric screw threads - Tolerances - Part 3: Deviations for constructional screw threads 3 Required characteristics 3.1 Configuration Dimensions Tolerances Config
19、uration: See figure. Dimensions and tolerances: see Figure 1 and Table 1; dimensions are in millimetres. 3.2 Material EN 2699 1) Published as ASD-STAN pre-standard at the date of publication of the present standard. BS EN 3706:2012EN 3706:2012 (E) 5 Key a Thread surface will be achieved by normal me
20、thods of manufacturing. X Detail I Y see detail I Figure 1 Table 1 Dimensions in millimetres Diameter code D aL Z A B C X Y 0,25 3,00+3,00+2,00+3,01,0+min. min. 060 MJ61,00 4g5g 6 0,5 3 0,8 0,9 1,56 0,4 070 MJ71,00 4g5g 7 0,8 4 1 1 1,84 0,6 080 MJ81,00 4g5g 8 0,8 5 1 1,4 1,84 0,12 100 MJ101,00 4g5g
21、8 0,8 6 1,5 2,1 2,55 1,34 120 MJ121,00 4g5g 8 1,2 6 1,5 2,1 2,55 1,34 140 MJ141,00 4g5g 8 1,2 7 2 2,7 3,28 1,54 160 MJ161,00 4g5g 10 1,2 7 2 2,7 3,28 1,54 180 MJ181,00 4g5g 10 1,2 7 2 2,7 3,28 1,54 200 MJ201,00 4g5g 10 1,2 7 2 2,7 3,28 1,54 aBasic profile is in conformity with ISO 5855-1 and toleran
22、ces with ISO 965-3. BS EN 3706:2012EN 3706:2012 (E) 6 4 Designation EXAMPLE Description blockPLUG Identity blockEN 3706 080 Number of this Standard Diameter code (See Table 1) NOTE If necessary, the originator code I9005 shall be placed between the description block and the identity block. 5 Marking
23、 According to EN 2424, category G. 6 Installation holes See EN 3707. This page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It presents the UK view on standards in Europe an
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