BS-EN-4012-2003.pdf
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1、BRITISH STANDARD AEROSPACE SERIES BS EN 4012:2003 Nuts, bihexagonal, self-locking, in heat resisting nickel base alloy NI-P100HT (Inconel 718), MoS2 coated Classification: 1 500 MPa (at ambient temperature)/425? ?C The European Standard EN 4012:2003 has the status of a British Standard ICS 49.030.30
2、 ? Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:35:55 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 4012:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 10 February 2003 BSI 10 February 2003 ISBN 0 580 41227 X National fo
3、reword This British Standard is the official English language version of EN 4012:2003. The UK participation in its preparation was entrusted by Technical Committee ACE/12, Aerospace fasteners and fastening systems, to Subcommittee ACE/12/1, Aerospace fasteners and fastening systems (international),
4、which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under th
5、e section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct applicat
6、ion. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monit
7、or related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5 and a back cover. The BSI copyright date displayed in this document indicates when the document was last is
8、sued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:35:55 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4012 January 2003 ICS 49.030.30 English version Aerospace series - Nuts, bih
9、exagonal, self-locking, in heat resisting nickel base alloy NI-P100HT (Inconel 718), MoS2 coated - Classification: 1 500 MPa (at ambient temperature)/425C This European Standard was approved by CEN on 2 June 2002. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipul
10、ate 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 Management Centre or to any CEN member. This European Standard exist
11、s 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 Management Centre has the same status as the official versions. CEN members are the national standards bodies
12、 of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISC
13、HES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2003 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4012:2003 E Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:35:55 GMT+00:00 2006, Uncontrol
14、led Copy, (c) BSI EN 4012:2003 (E) 2 Contentspage Foreword3 1Scope 3 2Normative references 3 3Required characteristics.4 3.1Configuration - Dimensions - Tolerances Masses 4 3.2Material4 3.3Surface coating4 4Designation.5 5Marking .5 6Technical specification .5 Licensed Copy: sheffieldun sheffieldun,
15、 na, Sat Nov 04 08:35:55 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4012:2003 (E) 3 Foreword This document (EN 4012:2003) has been prepared by the European Association of Aerospace Manufacturers Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the rules of th
16、is 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 identical text or by
17、 endorsement, at the latest by July 2003, and conflicting national standards shall be withdrawn at the latest by July 2003. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgi
18、um, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and the United Kingdom. 1 Scope This standard specifies the characteristics of self-locking bihexagonal nuts in NI-P
19、100HT, MoS2 coated, for aerospace applications. Classification : 1 550 MPa 1) / 425 C 2) 2 Normative references ISO 4095Fasteners for aerospace construction - Bi-hexagonal wrenching configuration ISO 5855-2Aerospace - MJ threads - Part 2 : Limit dimensions for bolts and nuts EN 2424Aerospace series
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