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    BS EN 4443-2012 Aerospace series Nuts elliptical clinch self-locking MJ threads in heat resisting steel FE-PA2601 (A286) MoS2 coated Classification 900 MPa (at ambient temperature).pdf

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    BS EN 4443-2012 Aerospace series Nuts elliptical clinch self-locking MJ threads in heat resisting steel FE-PA2601 (A286) MoS2 coated Classification 900 MPa (at ambient temperature).pdf

    1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 4443:2012Aerospace series Nuts, elliptical clinch, self-locking, MJ threads, in heat resisting steel FE-PA2601 (A286), MoS2 coated, Classification: 900 MPa (at ambient temp

    2、erature)/ 425 CCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 4443:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4443:2012. Th

    3、e 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 be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of

    4、a contract. Users are responsible for its correct application. The British Standards Institution 2012Published by BSI Standards Limited 2012ISBN 978 0 580 75714 3 ICS 49.030.30 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under

    5、the authority of the Standards Policy and Strategy Committee on 30 April 2012.Amendments issued since publicationDate Text affectedCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,

    6、-BS EN 4443:2012EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4443 March 2012 ICS 49.030.30 English Version Aerospace series - Nuts, elliptical clinch, self-locking, MJ threads, in heat resisting steel FE-PA2601 (A286), MoS2 coated, Classification: 900 MPa (at ambient temperature)/ 425 C Srie

    7、 arospatiale - crous tte elliptique, freinage interne, filetage MJ, an acier rsistant chaud FE-PA2601 (A286), revtus MoS2, Classification: 900 MPa ( temprature ambiante)/ 425 C Luft- und Raumfahrt - Einnietmutter, blind, elliptischer Kopf, selbstsichernd, MJ-Gewinde, aus hochwarmfestem Stahl FE-PA26

    8、01 (A286), MoS2 beschichtet, Klasse: 900 MPa (bei Raumtemperatur)/ 425 C This European Standard was approved by CEN on 24 September 2011. 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 nationa

    9、l 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). A versio

    10、n 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, Cyprus, Cze

    11、ch Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION C

    12、OMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4443:2012: ECopyright European Committee for Standardization Pro

    13、vided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 4443:2012EN 4443:2012 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Required characteristics .43.1 Configuration Dimensions Tolerances Masses 43.2 Materials

    14、.43.3 Surface treatment 44 Designation 85 Marking .86 Technical specification .8Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 4443:2012EN 4443:2012 (E) 3 Foreword This do

    15、cument (EN 4443:2012) 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 this Association, this Standard has received the approval of the National Associations and the Off

    16、icial 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 endorsement, at the latest by September 2012, and conflicting national standards shall be withdra

    17、wn 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 for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations,

    18、 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Net

    19、herlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN

    20、4443:2012EN 4443:2012 (E) 4 1 Scope This European Standard specifies characteristics of self-locking elliptical clinch nuts with MJ threads in FE-PA2601, MoS2coated, for aerospace applications. Classification: 900 MPa 1)/ 425 C 2)2 Normative references The following documents, in whole or in part, a

    21、re normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2399, Aerospace series Heat resisting steel FE-PA26

    22、01 (X4NiCrTiMoV26-15) Rm 900 MPa Bars for forged bolts D 25 mm EN 2424, Aerospace series Marking of aerospace products EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods EN 3639, Aerospace series Heat resisting alloy FE-PA2601 Softened and cold worked Wire for forged fast

    23、eners D 15 mm 900 MPa Rm 1 100 MPa EN 4444, Aerospace series Nuts, elliptical clinch, self-locking, in heat resisting steel FE-PA2601 (A286), MoS2 coated Classification: 900 MPa (at ambient temperature)/ 425 C Technical specification 3)ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bo

    24、lts and nuts 3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See figure 1 and tables 1 and 2. Dimensions and tolerances are in millimetres. They apply before MoS2coating. 3.2 Materials EN 2399 or EN 3639 3.3 Surface treatment EN 2491 1) Corresponds to the minimum tensile st

    25、ress 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 ASD-STAN standard at the date of publication of the present standard. Copyright European Committee

    26、 for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 4443:2012EN 4443:2012 (E) 5 Values apply before MoS2 coating. Thread surface will be as achieved by normal methods of manufacture. Key 1 Form out-of-rou

    27、nd in this area to achieve the self-locking requirement (tooling marks permissible). 2 Thread 3 Marking a Tapping marks are accepted in the E1diameter.b 0,01 underhead swelling is accepted over a length less than of diameter D. c Tolerance 02,007,0on diameter D is applicable only on the nominal grip

    28、 length. Details of form not stated are left to the manufacturers discretion. Figure 1 Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 4443:2012EN 4443:2012 (E) 6 Table 1 D

    29、imensions in millimetres Thread aB C D E1H J Code Designation 15,00+min. 15,00+min. 02,007,001,0Ref. Ref. 050 MJ50,8 4H6H 9,25 8,95 7,80 7,55 6,40 5,25 1,50 0,75 060 MJ61 4H5H 11,45 11,15 9,70 9,45 8,00 6,25 1,80 0,90 070 MJ71 4H5H 12,85 12,55 10,90 10,65 9,00 7,25 2,00 1,00 080 MJ81 4H5H 14,25 13,9

    30、5 12,10 11,85 10,00 8,25 2,20 1,10 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license

    31、from IHS-,-,-BS EN 4443:2012BS EN 4443:2012EN 4443:2012 (E) 7 Table 2 Dimensions in millimetres Grip length Thread code Code nomi-nal 050 060 070 080 Grip length F G Mass aGrip length F G Mass aGrip length F G Mass aGrip length F G Mass amax. min. 0,35 0,20 max. min. 0,35 0,20 max. min. 0,35 0,20 ma

    32、x. min. 0,35 0,20 030 3 3,50 2,00 11,80 5,60 1,20 3,50 2,00 13,80 7,80 2,33 040 4 4,75 3,25 12,80 6,70 1,29 4,75 3,25 15,00 9,00 2,49 4,75 3,25 16,30 9,40 3,28 4,75 3,25 18,00 9,80 4,01 050 5 5,75 4,25 13,80 7,70 1,38 5,75 4,25 16,00 10,00 2,65 5,75 4,25 17,30 10,40 3,47 5,75 4,25 19,00 10,80 4,22 0

    33、60 6 6,75 5,25 14,80 8,70 1,46 6,75 5,25 17,00 11,00 2,82 6,75 5,25 18,30 11,40 3,65 6,75 5,25 20,00 11,80 4,43 070 7 7,75 6,25 15,80 9,70 1,55 7,75 6,25 18,00 12,00 2,98 7,75 6,25 19,30 12,40 3,84 7,75 6,25 21,00 12,80 4,64 080 8 8,75 7,25 16,80 10,70 1,64 8,75 7,25 19,00 13,00 3,14 8,75 7,25 20,30

    34、 13,40 4,02 8,75 7,25 22,00 13,80 4,85 090 9 9,75 8,25 17,80 11,70 1,73 9,75 8,25 20,00 14,00 3,30 9,75 8,25 21,30 14,40 4,20 9,75 8,25 23,00 14,80 5,06 100 10 10,75 9,25 18,80 12,70 1,82 10,75 9,25 21,00 15,00 3,46 10,75 9,25 22,30 15,40 4,39 10,75 9,25 24,00 15,80 5,27 aMas quoted in kg/1 000 part

    35、s. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 4443:2012EN 4443:2012 (E) 8 4 Designation EXAMPLE Description blockNUT Identity blockEN 4443 060 080 Number of EN Standar

    36、d Thread code (See table 1) Grip length code (See table 2) NOTE If necessary, the originator code I9005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style A, as indicated on figure 1. 6 Technical specification EN 4444 Copyright European Committee for Stand

    37、ardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-This page deliberately left blankCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking perm

    38、itted without license from IHS-,-,-BSI 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 and at the international level. BSI is incorporated by Royal Charter.

    39、 British Standards and other standardisation products are published by BSI Standards Limited.British Standards Institution (BSI)raising standards worldwideBSI389 Chiswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards and PASs are periodically updated by amendment or

    40、revision. Users of British Standards and PASs should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using British Standards would

    41、inform the Secretary of the technical committee responsible, the identity of which can be found on the inside frontcover. Similary for PASs, please notify BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001BSI offers BSI Subscribing Members an individual updating service called P

    42、LUS which ensures that subscribers automatically receive the latest editions of British Standards and PASs.Tel: +44 (0)20 8996 7669 Fax: +44 (0)20 8996 7001Email: Buying standardsYou may buy PDF and hard copy versions of standards directly using acredit card from the BSI Shop on the website additio

    43、n all orders for BSI, international and foreign standards publicationscan be addressed to BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001Email: In response to orders for international standards, BSI will supply the British Standard implementation of the relevant international

    44、 standard, unless otherwise requested.Information on standardsBSI provides a wide range of information on national, Europeanand international standards through its Knowledge Centre.Tel: +44 (0)20 8996 7004 Fax: +44 (0)20 8996 7005Email: BSI Subscribing Members are kept up to date with standards deve

    45、lopments and receive substantial discounts on the purchase priceof standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002 Fax: +44 (0)20 8996 7001 Email: Information regarding online access to British Standards and PASs via British Standards O

    46、nline can be found at information about British Standards is available on the BSI website at www.bsi- the data, software and documentation set out in all British Standards and other BSI publications are the property of and copyrighted by BSI, or some person or entity that own copyright in the infor

    47、mation used (such as the international standardisation bodies) has formally licensed such information to BSI for commerical publication and use. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, o


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