1、BSI Standards PublicationBS EN 2997-009:2014Aerospace series Connectors, electrical, circular,coupled by threaded ring, fire-resistant or non fire-resistant,operating temperatures 65C to 175 C continuous, 200 Ccontinuous, 260 C peakPart 009: Protective cover for receptacle Product standardBS EN 2997
2、-009:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 2997-009:2014.It supersedes BS EN 2997-009:2010 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optictechnology
3、.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2015. Published by BSI Standar
4、dsLimited 2015ISBN 978 0 580 87960 9ICS 49.060Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 January 2015.Amendments issued since publicationDate Text affected
5、BS EN 2997-009:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2997-009 December 2014 ICS 49.060 Supersedes EN 2997-009:2010English Version Aerospace series - Connectors, electrical, circular, coupled by threaded ring, fire-resistant or non fire-resistant, operating temperatures - 65 C to 1
6、75 C continuous, 200 C continuous, 260 C peak - Part 009: Protective cover for receptacle - Product standard Srie 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 - Pa
7、rtie 009: Bouchon de vol pour embase - Norme de produit Luft- und Raumfahrt - Elektrische Rundsteckverbinder mit Schraubkupplung, feuerbestndig oder nicht feuerbestndig, Betriebstemperaturen - 65 C bis 175 C konstant, 200 C konstant, 260 C Spitze - Teil 009: Schutzkappe fr festen Steckverbinder - Pr
8、oduktnorm This European Standard was approved by CEN on 5 December 2014. 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 bibliogra
9、phical 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 version in any other language made by translation under the responsibil
10、ity 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, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic
11、of Macedonia, 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 COMIT EUROPEN DE NORMALISAT
12、ION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2997-009:2014 EBS EN 2997-009:2014EN 2997-009:2014 (E) 2 Contents Page Forewor
13、d 3 1 Scope 4 2 Normative references 4 3 Terms and definitions . 4 4 Required characteristics . 5 5 Designation 7 6 Marking . 8 7 Technical specification . 8 BS EN 2997-009:2014EN 2997-009:2014 (E) 3 Foreword This document (EN 2997-009:2014) has been prepared by the Aerospace and Defence Industries
14、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 Official Services of the member countries of ASD, prior to its presentation to CEN.
15、 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 June 2015, and conflicting national standards shall be withdrawn at the latest by June 2015. Attention is drawn to the possibility that some of the
16、 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. This document supersedes EN 2997-009:2010. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the fo
17、llowing countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands
18、, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 2997-009:2014EN 2997-009:2014 (E) 4 1 Scope This European Standard specifies the characteristics of protective covers for receptacles in the family of circular electrical connect
19、ors coupled by threaded ring. It applies to the class defined in Table 2. For receptacles associated with these protective covers, see EN 2997-003 to EN 2997-007. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable fo
20、r 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 2997-001, Aerospace series Connectors, electrical, circular, coupled by threaded ring, fire-resistant or non fire-resi
21、stant, operating temperatures 65 C to 175 C continuous, 200 C continuous, 260 C peak Part 001: Technical specificationEN 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
22、 continuous, 260 C peak Part 002: Specification of performance and contact arrangements EN 2997-003, 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 0
23、03: Square flange receptacle Product standard 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 Product sta
24、ndard EN 2997-005, 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 005: Hermetic square flange receptacle Product standard EN 2997-006, Aerospace seri
25、es 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 standardEN 2997-007, Aerospace series Connectors, electrical, circu
26、lar, 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 007: Hermetic receptacle with round flange attached by welding or brazing Product standardISO 263, ISO inch screw threads General plan and selection
27、 for screws, bolts and nuts Diameter range 0,06 to 6 in 3 Terms and definitions For the purposes of this standard, the terms and definitions given in EN 2997-001 apply. BS EN 2997-009:2014EN 2997-009:2014 (E) 5 4 Required characteristics 4.1 Dimensions and mass See Figure 1 and Table 1. Dimensions a
28、nd tolerances are in millimetres; they apply after surface treatment. Key 1 Fastener/rivet for chain or rope 2 Thread 3 Seal Shall be bonded or mechanically retained in protective cover 4 Attachment type, see Table 3 5 Three holes 0,95 min. at 120 6 Optional groove 7 Ring for jam-nut mounted recepta
29、cle 8 Eyelet for square flange receptacle Figure 1 Protective cover for receptacle BS EN 2997-009:2014EN 2997-009:2014 (E) 6 Table 1 Protective cover for receptacle dimensions Housing size Thread class 2B a C E F Mass 0,38 g max. max. Minimum bore Ring inner Stainless steel Aluminium alloy 08 0,5625
30、-24UNEF 19,71 14,61 16,30 26,2 9,5 10 0,6875-24UNEF 23,01 17,96 19,50 33,6 12,1 12 0,8750-20UNEF 27,38 22,73 24,60 43,5 15,6 14 0,9375-20UNEF 28,98 24,31 25,80 47,8 17,1 16 1,0625-18UNEF 32,16 27,53 29,00 56,8 20,4 18 1,1875-18UNEF 34,93 30,71 32,20 62,9 22,6 20 1,3125-18UNEF 38,35 33,88 35,30 75,5
31、27,1 22 1,4375-18UNEF 41,29 37,06 38,60 84,0 30,1 24 1,5625-18UNEF 44,70 40,23 41,70 97,7 35,1 28 1,8125-16UNS 51,00 46,58 48,00 120,2 43,1 aISO 263. 4.2 Material, surface treatment See Table 2 and below. Protective cover shell See Table 2. Chain or rope Stainless steel Rope shall be insulated, insu
32、lation shall withstand 260 C environment; Chain or rope shall rotate freely on the fastener. Fastener Stainless steel Ring and eyelet Stainless steel 4.3 Main general characteristics See EN 2997-002. 4.4 Possible combinations of protective covers and connectors See EN 2997-002. BS EN 2997-009:2014EN
33、 2997-009:2014 (E) 7 5 Designation EXAMPLE Description block COVER, ELECTRICAL CONNECTOR Identity block EN2997KE3C10 Number of the basic standard Class (see Table 2) Protective cover for receptacle (see EN 2997-002) Attachment type (see Table 3) Housing size (see Table 1) NOTE If necessary, the code
34、 I9005 shall be placed between the description block and the identity block. Table 2 Class and model protective cover Class Model description R Protective cover for receptacle in nickel-plated aluminium alloy, 48 h resistance salt mist, maximum operating temperature 200 C continuous W Protective cov
35、er for receptacle in olive-green cadmium-plated aluminium alloy, 500 h resistance salt mist, maximum operating temperature 175 C continuous KE Protective cover for receptacle in passivated stainless steel alloy, 500 h resistance salt mist, maximum operating temperature 260 C peak K Protective cover
36、for receptacle in passivated stainless steel, 500 h resistance to salt mist, crimp contacts, fire-resistant, maximum operating temperature 200 C continuous Table 3 Type of attachment Attachment type Description C Stainless steel chain and eyelet N Without chain or rope with holes for locking wire D
37、Stainless steel rope with high temperature jacket material and eyelet J Stainless steel chain and ring L Stainless steel rope with high temperature jacket material and ring BS EN 2997-009:2014EN 2997-009:2014 (E) 8 6 Marking Unless there are other specific contractual requirements, the marking shall
38、 include: the identity block as defined in Clause 5; the date of manufacture (year, week); the manufacturers name or trade mark. 7 Technical specification See EN 2997-001. This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-relate
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