AECMA PREN 3372-001-2005 Aerospace series Connectors Electrical Circular Medium and High Contact Density Scoop-proof with Bayonet Coupling Operating Temperatures - 65 Degrees C to 0.pdf

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1、AECMA STANDARD NORME AECMA AECMA NORM prEN 3372-001 Edition P 1 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 Descriptors: ENGLISH VERSION Aerospa

2、ce series Connectors, electrical, circular, medium and high contact density, scoop-proof with bayonet coupling, operating temperatures 65 C to 175 C or 200 C continuous Part 001: Technical specification Srie arospatiale Connecteurs lectriques circulaires scoop-proof accouplement par baonnettes tempr

3、ature dutilisation 65 C 175 C ou 200 C continu Partie 001: Spcification technique Luft- und Raumfahrt Elektrische Rundsteckverbinder, kontaktgeschtzt, Bajonettkupplung, Betriebstemperatur 65 C bis 175 C oder 200 C konstant Teil 001: Technische Lieferbedingungen This “Aerospace Series“ Prestandard ha

4、s been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - 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

5、 to the publication of this Prestandard, the technical content shall not be changed to an extent that 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

6、as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote 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 na

7、tional standards conflicting with the EN. Edition approved for publication 30 June 2005 Comments should be sent within six months after the date of publication to AECMA-STAN Electrical Domain Copyright 2005 by AECMA-STAN Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provi

8、ded by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3372-001:20052 Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANs Non-metallic Material Domain. After inquiries and votes carried out in acco

9、rdance with the rules of AECMA-STAN defined in AECMA-STANs General Process Manual, this standard has received approval for Publication. Contents Page Introduction.3 1 Scope 3 2 Normative references 3 3 Terms and definitions4 4 Description4 5 Design.6 6 Definition drawings and masses .6 7 Tests .36 8

10、 Quality assurance .50 9 Designation and marking 58 10 Delivery conditions .59 11 Packaging59 12 Storage59 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-

11、,-,-prEN 3372-001:20053 Introduction This family of connectors is similar to MIL-DTL-38999 series I, with which it is NOT intermateable or inter-mountable. 1 Scope This standard specifies the general characteristics, the conditions for qualification, acceptance and quality assurance, as well as the

12、test programs and groups. This bayonet coupling, scoop-proof, medium and high density connectors are suitable for operating temperatures 65 C to 175 C continuous or 200 C continuous according to class and model. 2 Normative references The following referenced documents are indispensable for the appl

13、ication of this document. For dated refer-ences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2267-002, Aerospace series Cables, electrical, for general purpose Operating temperatures between - 55 C and 2

14、60 C Part 002: General1) EN 2282, Aerospace series Characteristics of aircraft electrical supplies1) EN 2591-100, Aerospace series Elements of electrical and optical connection Test methods Part 100: General (and all associated parts)1) EN 3155-002, Aerospace series Electrical contacts used in eleme

15、nts of connection Part 002: List and use of contacts1) EN 3197, Aerospace series Installation of aircraft electrical and optical interconnection systems2) EN 3372-002, Aerospace series Connectors, electrical, circular, medium and high contact density, scoop-proof with bayonet coupling, operating tem

16、perature - 65 C to 175 C or 200 C continuous Part 002: Specification of performance and contact arrangements1) EN 3372-006, Aerospace series Connectors, electrical, circular, medium and high contact density, scoop-proof with bayonet coupling, operating temperature - 65 C to 175 C or 200 C continuous

17、 Part 006: Protective cover for receptacle Product standard1) EN 3372-009, Aerospace series Connectors, electrical, circular, medium and high contact density, scoop-proof with bayonet coupling, operating temperature - 65 C to 175 C or 200 C continuous Part 009: Receptacle, jam nut mounting Product s

18、tandard1) EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts MIL-A-8243D, Anti-icing and deicing-defrosting fluids3) MIL-C-87937, Cleaning compound, aircraft surface, alkaline water base3) 1) Published as AECMA draft standard on the publication

19、date of this standard 2) In preparation at the date of publication of this standard 3) Published by: Department of Defense (DOD), the Pentagon, Washington, DC 20301, USA Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo

20、 reproduction or networking permitted without license from IHS-,-,-prEN 3372-001:20054 MIL-DTL-38999K, Connectors, electrical, circular, miniature, high density, quick disconnect (bayonet, threaded, breech coupling), environment resistant, removable crimp and hermetic solder contacts, general specif

21、ication for 3) MIL-C-39029D Contacts, electrical connector, general specification for3) MIL-H-5606E, Hydraulic fluid, petroleum base; aircraft; missile and ordnance3) MIL-L-7808J, Lubricating oil, aircraft turbine engine, synthetic base, NATO code number O-2483) MIL-L-23699C, Lubricating oil, aircra

22、ft turbine engine, synthetic base3) MIL-L-7870A, Lubricating oil; general purpose, low temperature3) MIL-HDBK-454, Standard general requirements for electronic equipment Guideline 4: Fungus-inert material3) AS 1241, Fire resistant phosphate ester hydraulic fluid for aircraft4) ISO 263, ISO inch scre

23、w threads General plan and selection for screws, bolts and nuts Diameter range 0,06 to 6 in ISO 4524-1, Metallic coatings Test methods for electrodeposited gold and gold alloy coatings Part 1: Determination of coating thickness ISO 4524-5, Metallic coatings Test methods for electrodeposited gold and

24、 gold alloy coatings Part 5: Adhesion tests 3 Terms and definitions According to EN 2591-100. 4 Description Different variants of materials, housings and contact arrangements are provided according to the classes dependant on the service conditions. These connectors use crimp or solder contacts of s

25、izes 22, 20, 16, 12 and 8. The receptacles and plugs contain either male or female contacts. The contacts fitted in the class Y receptacles are exclusively of the male solder type. For arrangements comprising the letter G, some contacts are grounded to the receptacle housing. The connectors are pola

26、rised by means of keyways and keys; polarisation shall be obtained before the male contacts enter the insert of the female contacts and before the coupling ring is engaged. The position of the keying arrangement is given in Table 4. The visual check of coupling is obtained by the appearance of the e

27、nds of the bayonet pins (blue) through the coupling ring on the plug. 4) Published by: Society of Automotive Engineers, Inc. (SAE), 400 Commonwealth Drive, Warrendale, PA 15096-0001, USA Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECM

28、ANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3372-001:20055 4.1 Receptacle The receptacle fixing may be attached by: square flange; jam nut, with sealing by O-ring at the attachment; round flange for attachment by soldering/brazing/welding. Class Y only. T

29、he receptacle contains five keyways into which the keys of the plug engage. The secondary keyways are fixed and are narrower than the main keyway. Polarisation is ensured by different angular positions of the main keyway in relation to the secondary keyways. The position of the insert is fixed relat

30、ive to the secondary keyways. 4.2 Plug The plug contains five keys that engage in the keyways of the receptacle. The main key is wider than the oth-ers. Polarisation is ensured by different angular positions of the main key in relation to the secondary keys. The position of the insert is fixed relat

31、ive to the secondary keys. The coupling ring is permanently fitted to the plug and enables the connectors to be coupled and uncoupled. The internal guides of the coupling ring may be treated during manufacture with a suitable lubricant compa-tible with the performance required by this standard. The

32、plug is fitted with a grounding spring device, which ensures electrical continuity between coupled connec-tor housings. 4.3 Materials and surface treatment When different metals are in close contact, protection against shall be ensured. The electromotive force of the cell shall not exceed 0,25 V (se

33、e EN 3197). 4.3.1 Housings The material of the housings for the connectors and fittings may be either aluminium alloy or passivated stainless steel. Aluminium alloy shall be plated by the class (see EN 3372-002). 4.3.2 Contacts Unless otherwise specified, contacts shall be in ferrous alloy for class

34、es Y and in copper alloy for other classes. They shall be gold-plated on an appropriate undercoat. Selective protection is authorised provided that it is sufficient to ensure that the specified performance is achieved The use of silver undercoats is prohibited. Measurement of the thickness of the pr

35、otective plating shall be effected in accordance with ISO 4524-1. (Class Y) For removable contacts see EN 3645-002. 4.3.3 Non-metallic materials The materials used for the inserts, seals and grommets shall have hardness, electrical and mechanical characteristics compatible with the required use. Cop

36、yright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3372-001:20056 5 Design 5.1 Housings The connector housings shall be in one unit. The rear of the con

37、nector shall contain teeth over its entire pe-riphery that accommodate the rear accessories. The receptacle shall be equipped with a seal for sealing the coupled housings. Receptacles for attachment by nut shall contain an O-ring seal. The nut shall have holes for the passage of locking wire. During

38、 coupling, the grounding spring shall be engaged a minimum of 1,02 mm in the receptacle before the contacts engage. Threads shall conform to standard ISO 263, Class 2a. The coupling ring shall be designed so that the male and female contacts engage when it is turned in a clock-wise direction and dis

39、engage when it is turned anticlockwise. The coupling ring shall be knurled. Full locking of the connectors shall occur at approximately 120 of rotation. On completion of tightening of the coupling ring, mechanical contact shall exist between the receptacle and plug housings. The appearance of the en

40、ds of the bayonet pins, coloured blue, through the plug coupling ring is a visual indication that the con-nectors are correctly mated. 5.2 Inserts The insert carrying the male and female contacts shall be in hard material and have a cross section and radii such that no cracks, flaking or breaks can

41、occur in normal operation. The insert for contacts shall be non-removable; it shall be mechanically held in the housing. Sealing shall be provided between the housing and insert. The front face of the insert shall be such that sealing is ensured when the connectors are coupled. The inter-facial seal

42、 of the insert of the male contacts shall be bonded on the hard insert. The grommet shall permit sealing for all cable diameters indicated in EN 3645-002 and shall not be remov-able. The mechanical contact retention system shall be integrated in the hard insert. The design of non-hermetic connectors

43、 shall permit individual installation of the contacts without removal of the insert or grommet. Fitting and removal of the contacts shall be from the rear with the tools specified in the contact product standards. 6 Definition drawings and masses The general dimensions and the masses of receptacles,

44、 plugs and protective covers are given in the product standards. All dimensions are in mm. 6.1 Receptacle mating dimensions The general dimensions of receptacles are shown in Figures 1, 2 and 3 and in Tables 1 and 2. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided

45、by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3372-001:20057 Dimensions and tolerances in mm with socket contact with pin contact a 4 keyways Keyways with minimum dimension shall be sharp edged. If the smallest dimension is exc

46、eeded the corresponding ap-propriate radii are permissible (0,25 mm max). b Point at which a square ended gauge pin with the same diameter as the mating contact first engages with female con-tact tines. Figure 1 Receptacles Copyright Association Europeene des Constructeurs de Materiel Aerospatial Pr

47、ovided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3372-001:20058 Table 1 Receptacle mating dimensions Dimensions and tolerances in mm d1 d2 d3 d4 d5 d6 l1 Housing size 0,130,03+ 00,41 min. max. max. 0,150,05+ 8 9,19 14,3 10,

48、31 7,37 12,04 10 12,45 17,27 13,57 10,52 15,02 12 15,42 21,82 17,35 13,49 19,08 14 18,59 24,99 20,53 16,66 22,26 16 21,77 28,14 23,70 19,83 25,43 18 24,43 31,32 26,24 22,10 28,61 20 27,61 34,49 29,42 25,27 31,78 22 30,78 37,67 32,59 28,45 34,96 1,98 24 33,96 40,89 35,77 31,62 38,13 3,18 2,77 Dimensi

49、ons and tolerances in mm Dimensions and tolerances in mm Figure 2 Detail of socket entry Figure 3 Detail of pin barrier Table 2 Detail dimensions Dimensions and tolerances in mm D7 D8 Tol d9 Contact size 0,20+ 0,050,05+ 22 1,75 0,89 1,65 20 2,31 1,24 2,21 16 2,90 1,8 2,79 12 3,71 2,61 + 0,08 3,61 8 6.90 5,77 + 0,07 6,76