1、BS EN2997-012:2009ICS 49.060NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Connectors, electrical,circular, coupled bythreaded ring, fire-resistant or non fire-resistant, operatingtemperatures 65 Cto 175 C continuous,200 C continuous, 260C peak
2、Part 012: Jam-nut for jam-nutreceptacles Product standardThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 31 March2009 BSI 2009ISBN 978 0 580 62404 9Amendments/corrigenda issued since publicationDate CommentsBS EN 2997-012:2009National forewordThi
3、s British Standard is the UK implementation of EN 2997-012:2009.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optictechnology.A list of organizations represented on this committee can be obtained onrequest to its secretary.T
4、his publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 2997-012:2009EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2997-012 Fe
5、bruary 2009 ICS 49.060 English Version Aerospace series - Connectors, electrical, circular, coupled by threaded ring, fire-resistant or non fire-resistant, operating temperatures - 65 C to 175 C continuous, 200 C continuous, 260 C peak - Part 012: Jam-nut for jam-nut receptacles - Product standard S
6、rie arospatiale - Connecteurs lectriques circulaires accouplement par bague filete, rsistant au feu ou non, tempratures dutilisation - 65 C 175 C continu, 200 C continu, 260 C en pointe - Partie 012: crou pour embase fixation par crou - Norme de produit Luft- und Raumfahrt - Elektrische Rundsteckver
7、binder mit Schraubkupplung, feuerbestndig oder nicht feuerbestndig, Betriebstemperaturen - 65 C bis 175 C konstant, 200 C konstant, 260 C Spitze - Teil 012: Sechskantmutter fr festen Steckverbinder, Einlochmontage - Produktnorm This European Standard was approved by CEN on 4 July 2008. CEN members a
8、re 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 on application to
9、 the CEN 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 Management Centre has the sa
10、me status as the official 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,
11、Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reser
12、ved worldwide for CEN national Members. Ref. No. EN 2997-012:2009: EBS EN 2997-012:2009EN 2997-012:2009 (E) 2 Contents Page 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Required characteristics .5 5 Designation 6 6 Marking .6 7 Technical specification .6 BS EN 2997-012:2009EN 2997
13、-012:2009 (E) 3 Foreword This document (EN 2997-012:2008) 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 t
14、he 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 endorsement, at the latest by August 2009, and conflicting na
15、tional standards shall be withdrawn at the latest by August 2009. 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
16、/CENELEC Internal Regulations, the national standards organizations of the following 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, L
17、uxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules o
18、f ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. BS EN 2997-012:2009EN 2997-012:2009 (E) 4 1 Scope This standard specifies the characteristics of jam-nuts for jam-nut receptacles in the family of circular electrical connectors coupled by th
19、readed ring. It applies to class defined in Table 2. For receptacles using these jam-nuts, see EN 2997-004, EN 2997-006 and EN 4067-004, EN 4067-006 for class SE only. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated referenc
20、es, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2997-001, Aerospace series Connectors, electrical, circular, coupled by threaded ring, fire-resistant or non fire-resistant, operating temperatures 65 C to
21、 175 C continuous, 200 C continuous, 260 C peak Part 001: Technical specification EN 2997-002, Aerospace series Connectors, electrical, circular, coupled by threaded ring, fire-resistant or non fire-resistant, operating temperatures 65 C to 175 C continuous, 200 C continuous, 260 C peak Part 002: Sp
22、ecification of performance and contact arrangements EN 2997-004, Aerospace series Connectors, electrical, circular, coupled by threaded ring, fire-resistant or non fire-resistant, operating temperatures 65 C to 175 C continuous, 200 C continuous, 260 C peak Part 004: Jam-nut mounted receptacle Produ
23、ct standard EN 2997-006, Aerospace series Connectors, electrical, circular, coupled by threaded ring, fire-resistant or non fire-resistant, operating temperatures 65 C to 175 C continuous, 200 C continuous, 260 C peak Part 006: Hermetic jam-nut mounted receptacle Product standard EN 4067-002, Aerosp
24、ace series Connectors, electrical, circular, scoop-proof, coupled by threaded ring, fire-resistant, operating temperature 260C peak Part 002: Specification of performance and contacts arrangement 1)EN 4067-004, Aerospace series Connectors, electrical, circular, scoop-proof, coupled by threaded ring,
25、 fire-resistant, operating temperature 260 C peak Part 004: Jam-nut mounted receptacle Product standard 1)EN 4067-006, Aerospace series Connectors, electrical, circular, scoop-proof, coupled by threaded ring, fire-resistant, operating temperature 260 C peak Part 006: Hermetic jam-nut mounted recepta
26、cle Product standard 1)ISO 263, ISO inch screw threads General plan and selection for screws, bolts and nuts Diameter range 0,06 to 6 in 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 2997-001 apply. 1) Published as ASD Prestandard at the date of pub
27、lication of this standard. BS EN 2997-012:2009EN 2997-012:2009 (E) 5 4 Required characteristics 4.1 Dimensions See Figure 1 and Table 1. Key 1 3 holes 1,07 min. equally spaced Figure 1 Table 1 Housing size K Thread class 2B a HH 08 0,6250-25UN 21,06 20,19 10 0,7500-20UNEF 24,23 23,37 12 0,9380-20UNE
28、F 29,01 28,14 14 1,0000-20UNEF 30,61 29,74 16 1,1250-18UNEF 33,76 32,89 18 1,2500-18UNEF 36,96 36,09 20 1,3750-18UNEF 40,11 39,24 22 1,5000-18UNEF 43,31 42,44 24 1,6250-18UNEF 46,46 45,59 28 1,8750-16UNS 54,41 53,54 aISO 263. BS EN 2997-012:2009EN 2997-012:2009 (E) 6 4.2 Material, surface treatment
29、See Table 2. 4.3 Main general characteristics See EN 2997-002 and EN 4067-002. 5 Designation EXAMPLE Description block ELECTRICAL CONNECTOR, JAM-NUT Identity block EN2997RS822 Number of the basic standard Class (see Table 2) Jam-nut for jam-nut receptacle (see EN 2997-002 and EN 4067-002) Housing si
30、ze Table 2 Class Model description WS Jam-nut for receptacle with housing (shell) in olive-green, cadmium-plated aluminium alloy, conducting finish, 500 h resistance to salt mist, maximum operating temperature 175 C continuous. RS Jam-nut for receptacle with housing (shell) in nickel-plated aluminiu
31、m alloy, 48 h resistance to salt mist, maximum operating temperature 200 C continuous. SE Jam-nut for receptacle with housing (shell) in passivated stainless steel, fire-resistant, 500 h resistance to salt mist, maximum operating temperature 260 C peak. NOTE SE class jam-nut are used for both S, SE,
32、 Y and YE classes jam-nut receptacles. 6 Marking Not applicable. 7 Technical specification See EN 2997-001. BS EN 2997-012:2009This page has been intentionally left blank BS EN2997-012:2009BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL, UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 - Brit
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