1、AECMA STANDARD NORME AECMA AECMA NORM prEN 2997-004 Edition P 2 June 2005 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION Gulledelle 94 - B-1200 Brussels - Tel. + 32 2 775 8110 - Fax. + 32 2 775 8111 - www.aecma-stan.orgICS: 49.060 Will supersede EN 2997-004:1997 Desc
2、riptors: 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 004: Jam-nut mounted receptacle Product standard Srie arospatiale Connecteurs
3、 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 004 : Embase fixation par crou Norme de produit Luft- und Raumfahrt Elektrische Rundsteckverbinder mit Schraubkupplung, feuerbestndig oder
4、 nicht feuerbestndig, Betriebstemperaturen 65 C bis 175 C konstant, 200 C konstant, 260 C Spitze Teil 004: Fester Steckverbinder mit MutternbefestigungProduktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Indus
5、tries - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent th
6、at interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of AECMA-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote
7、 and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 30 June 2005 Comments sh
8、ould be sent within six months after the date of publication to AECMA-STAN Electrical Domain Copyright 2005 by AECMA-STAN prEN 2997-004:2005 (E) 2 Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANs Electrical Domain. After inquiries and votes carried out in accord
9、ance with the rules of AECMA-STAN defined in AECMA-STANs General Process Manual, this standard has received approval for Publication. Contents Page 1 Scope . 3 2 Normative references 3 3 Terms and definitions . 4 4 Required characteristics 4 4.1 Dimensions and mass 4 4.2 Tightening torque of attachm
10、ent nut. 5 4.3 Panel cut-out . 6 4.4 Material, surface treatment . 7 4.5 Main general characteristics. 7 4.6 Possible combinations of plugs and receptacles. 7 5 Designation. 8 6 Marking 9 7 Technical specification 9 prEN 2997-004:2005 (E) 3 1 Scope This standard specifies the characteristics of jam-
11、nut mounted receptacles in the family of circular electrical connectors coupled by threaded ring. It applies to the class defined in Table 4. For contacts, filler plugs and rear accessories associated with this receptacle, see EN 2997-002. For plugs and protective covers, see EN 2997-008 and EN 2997
12、-009 respectively. For spare jam-nuts and o-rings, see EN 2997-012 and EN 2997-013 respectively. 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
13、edition of the referenced document (including any amendments) applies. ISO 263, ISO Inch screw threads General plan and selection for screws, bolts and nuts Diameter range 0,06 to 6 in. EN 2997-001, Aerospace series Connectors, electrical, circular, coupled by threaded ring, fire-resistant or non fi
14、re-resistant, operating temperatures 65 C to 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 continuou
15、s, 200 C continuous, 260 C peak Part 002: Specification of performance and contact arrangements. EN 2997-008, 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 pe
16、ak Part 008: Plug Product standard.EN 2997-009, 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 009: Protective cover for receptacle Product standard.
17、 EN 2997-012, 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: Nut Product standard. 1) EN 2997-013, Aerospace series Connectors, electrical, circ
18、ular, 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 013: O-ring seal Product standard. 1)EN 3155-002, Aerospace series Electrical contacts used in elements of connection Part 002: List and utilizatio
19、n of contacts. 2)1) In preparation at the date of publication of this standard. 2) Published as AECMA Prestandard at the date of publication of this standard. prEN 2997-004:2005 (E) 4 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 2997-001 apply. 4 R
20、equired characteristics 4.1 Dimensions and mass See Figure 1 and Table 1. Dimensions are in millimetres; they apply after surface treatment. Key 1 See EN 2997-012. 2 Thread K 3 See EN 2997-001. 4 Blue colour band minimum width 0,64 5 End of flat 0,13 max. 6 See EN 2997-013. Figure 1 prEN 2997-004:20
21、05 (E) 5 Table 1 F G N P R JJ Mass b gmax. Housing size max. K Thread class 2A a Stainless steel Aluminiumalloy 08 14,27 3,48 2,46 0,6250-25UN 17,0216,92 24,8924,10 27,3826,59 15,14 14,99 32 15 10 17,67 3,48 2,46 0,7500-20UNEF 20,2220,12 28,0427,25 30,2829,49 18,31 18,16 41 21 12 22,22 3,48 2,46 0,9
22、375-20UNEF 24,9924,89 32,7932,00 35,0534,26 23,06 22,91 58 30 14 23,77 3,48 2,46 1,0000-20UNEF 26,5726,47 35,3334,54 38,5137,72 24,66 24,51 68 35 16 26,97 3,48 2,46 1,1250-18UNEF 29,7429,64 38,5137,72 41,6840,89 27,84 27,69 82 46 18 30,15 3,48 2,46 1,2500-18UNEF 32,9232,82 41,6840,89 44,8644,07 30,9
23、9 30,84 88 51 20 33,32 3,48 2,46 1,3750-18UNEF 37,6437,54 44,8644,07 49,6348,84 34,16 34,01 100 56 22 36,49 3,76 3,25 1,5000-18UNEF 40,8740,77 49,6348,84 52,7851,99 37,34 37,19 123 69 24 39,67 3,76 3,25 1,6250-18UNEF 43,9943,89 52,8152,02 55,4254,66 40,51 40,36 137 82 28 46,02 3,76 3,25 1,8750-16UNS
24、 50,3950,29 59,2158,42 61,8261,04 46,78 46,63 191 120 aISO 263 bMass without accessory and without contact 4.2 Tightening torque of attachment nut For recommended service use, torque settings to be in accordance with Table 2. prEN 2997-004:2005 (E) 6 Table 2 Housing size Torque in N.m 10 % 08 7 10 1
25、0 12 12 14 15 16 18 18 22 20 25 22 27 24 29 28 30 4.3 Panel cut-out See Figure 2 and Table 3. Dimensions are in millimetres. Connector one Connector two X min. value is calculated as follows: D/2 connector one + D/2 connector two. (See Table 3 for value D) Figure 2 prEN 2997-004:2005 (E) 7 Table 3 H
26、ousing size A B D min. 08 16,26 16,00 15,50 15,24 31,70 10 19,43 19,17 18,67 18,41 34,90 12 24,18 23,92 23,42 23,16 39,60 14 25,78 25,52 25,02 24,76 41,25 16 28,96 28,70 28,20 27,94 44,45 18 32,13 31,87 31,25 30,99 47,35 20 35,31 35,05 34,42 34,16 51,90 22 38,48 38,22 37,59 37,33 54,10 24 41,66 41,4
27、0 40,77 40,51 57,25 28 48,01 47,75 47,14 46,88 65,25 4.4 Material, surface treatment See Table 4. 4.5 Main general characteristics See EN 2997-002. 4.6 Possible combinations of plugs and receptacles See EN 2997-002. prEN 2997-004:2005 (E) 8 5 Designation EXAMPLE Description block ELECTRICAL CONNECTO
28、R, RECEPTACLE Identity block EN2997SE72232F8 Number of the basic standard Class (see Table 4) Jam-nut mounted receptacle (see EN 2997-002) Housing size and contact arrangement (see EN 2997-002) Type of contact (see Table 5) Polarisation (see EN 2997-002) NOTE If necessary, the code I9005 shall be pl
29、aced between the description block and the identity block. Table 4 Class and model connector Class Model description WS Sealed receptacle with housing (shell) in olive-green, cadmium-plated aluminium alloy, conducting finish, 500 h resistance to salt mist, crimp contacts, maximum operating temperatu
30、re 175 C continuous RS Sealed receptacle with housing (shell) in nickel-plated aluminium alloy, 48 h resistance to salt mist, crimp contacts, maximum operating temperature 200 C continuous S Sealed receptacle with housing (shell) in passivated stainless steel, 500 h resistance to salt mist, crimp co
31、ntacts, fire-resistant, maximum operating temperature 200 C continuousSE Sealed receptacle with housing (shell) in passivated stainless steel, 500 h resistance to salt mist, crimp contacts, fire-resistant, maximum operating temperature 260 C peak Table 5 Types of contacts and delivery Contacts Deliv
32、ered without contact Delivered with contacts with standard barrels aEN 3155-XXXX2020 EN 3155-XXXX1616 EN 3155-XXXX1212 Delivered with specific contacts size 20 with special barrel aEN 3155-XXXX2018 bMale A M C Female B F D aSee EN 3155-002. bOnly affects size 20 contact arrangements prEN 2997-004:20
33、05 (E) 9 6 Marking Unless there are other specific contractual requirements, the marking shall include: the identity block as defined in 5, except for the 13th or 14th character which shall be marked according to Table 6; the date of manufacture (year, week); the manufacturers name or trade mark. Table 6 13th or 14th character of the identity block For A, M, C a M For B, F, D aF aSee Table 5. 7 Technical specification See EN 2997-001.
