1、BRITISH STANDARD AEROSPACE SERIES BS EN 4166:2004 Clips, spring tension, three parts PTFE bushes The European Standard EN 4166:2004 has the status of a British Standard ICS 49.080 BS EN 4166:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee o
2、n 24 January 2005 BSI 24 January 2005 ISBN 0 580 45318 9 National foreword This British Standard is the official English language version of EN 4166:2004. It supersedes BS EN 4166:2003 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace
3、fasteners and fastening systems, which has the responsibility to: A list of organizations represented on this committee 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
4、 in the BSI Catalogue under the 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 respon
5、sible for its correct application. 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 th
6、e UK interests informed; monitor 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 6, an inside back cover and a back cover. The BSI copyright notice displayed in
7、 this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4166 December 2004 ICS 49.080 Supersedes EN 4166:2003 English version Aerospace series - Clips, spring tension, three parts - PT
8、FE bushes Srie arospatiale - Colliers de fixation ressort en trois parties - Bagues en PTFE Luft- und Raumfahrt - Rohrschellen, federnd, dreiteilig - Hlsen aus PTFE This European Standard was approved by CEN on 11 September 2003. CEN members are bound to comply with the CEN/CENELEC Internal Regulati
9、ons 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 Central Secretariat or to any CEN member. This Europ
10、ean 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 Central Secretariat has the same status as the official versions. CEN members are the natio
11、nal standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EURO
12、PEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4166:2004: EEN 4166:2004 (
13、E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Required characteristics.4 4 Designation 6 5 Marking .6 6 Quality assurance6 EN 4166:2004 (E) 3 Foreword This document (EN 4166:2004) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-ST
14、AN). 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 AECMA, prior to its presentation to CEN. This European Standard shall be given the st
15、atus of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2005, and conflicting national standards shall be withdrawn at the latest by June 2005. This document supersedes EN 4166:2003. According to the CEN/CENELEC Internal Regulations, the natio
16、nal standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Por
17、tugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 4166:2004 (E) 4 1 Scope This standard specifies the characteristics of PTFE bushes for three part clips, spring tension for applications at a maximum temperature of 260 C, for aerospace applications. They shall be assem
18、bled with parts from EN 4167 and EN 4168. 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 amend
19、ments) applies. EN 2424, Aerospace series Marking of aerospace products EN 4167, Aerospace series Clips, spring tension, three parts Inner clips in heat resisting steel FE-PA2601 (A286) EN 4168, Aerospace series Clips, spring tension, three parts Outer clips in heat resisting steel FE-PA2601 (A286)
20、EN 9100, Aerospace series - Quality management systems - Requirements (based on ISO 9001:2000) and Quality systems - Model for quality assurance in design, development, production, installation and servicing (based on ISO 9001:1994) AMS 3659C, Polytetrafluoroethylene Extrusions Premium Strength, Sin
21、tered and Stress-Relieved 1)AMS 3660C, Polytetrafluoroethylene (PTFE) Moldings General Purpose Grade, as Sintered 1)3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figure 1 and Table 1. Dimensions and tolerances are in millimetres. 3.2 Materials PTFE according to AMS 36
22、59 for tube diameters 12 and AMS 3660 for tube diameters 12 1) Published by: Society of Automotive Engineers, inc. (SAE), 400 Commonwealth Drive, Warendale, PA 15096-0001, USA EN 4166:2004 (E) 5 Key 1 1,3 to 1,8 2 1,2 to 1,8, dimensions apply when cushion is assembled on a test bar (or tube) of diam
23、eter A 0,08. 3 break sharp edges 1,0 max. 4 10,8 to 11,4 5 15,4 to 16,4 6 optimal configuration 7 marking 8 R = 1,3 to 1,8 adimension apply when cushion is assembled on a test bar (or tube) of diameter A 0,08. Figure 1 EN 4166:2004 (E) 6 Table 1 A B G Diameter code 0,2 + 0,1 0,3 Mass kg/1 000 parts
24、004 4 8 2,5 006 6 10 3,6 008 8 12 0,8 4,6 010 10 14 4,9 012 12 16 5,7 014 14 18 6,9 016 16 20 7,6 018 18 22 8,6 020 20 24 9,4 025 25 29 12 032 32 36 1 14,9 4 Designation EXAMPLE Description block BUSH Identity block EN4166-016 Number of this standard Diameter code (see Table 1) NOTE If necessary, th
25、e 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 Quality assurance The manufacturers quality systems shall conform to EN 9100. blankBS EN 4166:2004 BSI 389 Chiswick High Road London W4 4AL BSI British Standards
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