1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 30 September 2004 prEN 31 55-003 Edition P 3 September 2004 Comments should be sent within six months after the date of publication to AECMA-STAN ICs: 49.060 Descriptors: ENGLISH VERSION Aerospace series Electrical contacts used
2、in elements of connection Part 003: Contacts, electrical, female, type A, crimp, class S Product standard Supersedes edition P 2 February 2000 Srie arospatiale Luft- und Raumfahrt Contacts lectriques utiliss dans les organes de connexion Partie 003 : Contacts lectriques, femelles, type A, sertir, cl
3、asse S Elektrische Kontakte zur Verwendung in Verbindungselementen Teil 003: Elektrische Buchsenkontakte, Typ A, crimpbar, Klasse S Norme de produit Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industr
4、ies - 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 that
5、 interchangeabilify 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 a
6、nd 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. Electrical Domain I I Copytight 2004 O by AECMA-STA1 Page 2
7、 prEN 31 55-003:2004 Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANS Electrical Domain. After inquiries and votes carried out in accordance with the rules of AECMA-STAN defined in AECMA- STANS General Process Manual, this standard has received approval for Publ
8、ication. Contents O 1 2 3 4 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5 6 7 I nt rod uct io n Scope Norm at ives referen ces Definitions Required characteristics Specific characteristics Dimensions and mass Marking by colour code Material, surface treatment Permissible cables Tooling Cable stripping Tests
9、 Gauges Designation Marking Technical specification Page 3 3 3 4 4 4 4 7 7 8 8 10 11 12 12 12 12 Page 3 prEN 31 55-003:2004 O Introduction The contacts defined by this standard are derived from those of MIL-C-39029/57 and, intermateable with those of MIL-C-39029/58. 1 Scope This standard specifies t
10、he required characteristics, tests and tooling applicable to female electrical contacts 003, type A, crimp, class S used in elements of connection according to EN 3155-002. It shall be used together with EN 31 55-001. The associated male contacts are defined in EN 3155-008. 2 Normatives references T
11、his European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publ
12、ications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). IS0 8843, EN 2083, EN 2591*, EN 31 55-001, EN 3155-002, EN 3155-008, EN 4008-009, EN 4008-010, Airc
13、raff - Crimp-removable contacts for electrical connectors - Identification system Aerospace series - Copper or copper alloy conductors for electrical cables - Product standard Aerospace series - Elements of electrical and optical connection - Test methods - General Aerospace series - Electrical cont
14、acts used in elements of connection - Part 007: Technical specification 1) Aerospace series - Electrical contacts used in elements of connection - Part 002: List and utilization of contacts 1) Aerospace series - Electrical contacts used in elements of connection - Part 008: Contacts, electrical, mal
15、e, type A, crimp, class S - Product standard 1) Aerospace series - Elements of electrical and optical connection - Crimping tools and associated accessories - Part 009: Positioner for crimping tool 1/122520/23 - Product standard 2) Aerospace series - Elements of electrical and optical connection - C
16、rimping tools and associated accessories - Part 070: Head for crimping tool 1/122520/23 - Product standard 2) MI L-DTL-22520, Crimping tools, wire termination, general specification for 3) MI L-C-22520/1, Crimping tools, terminal, hand, wire termination for wire barrel sizes 72 through 20 3) MI L-C-
17、22520/2, Crimping tools, terminal, hand, wire termination for wire barrel sizes 20 through 28 3) * 1) 2) 3) All its parts quoted in Table 7 Published as AECMA Prestandard at the date of publication of this standard In preparation at the date of publication of this standard Published by: Department o
18、f Defense (DOD), the Pentagon, Washington D.C. 20301 USA. Page 4 prEN 31 55-003:2004 M IL-C-22520/7, Crimping tools, terminal, hand, wire termination for wire barrel sizes 16, 20 and 22 3) M lL-C-22520/23, Crimping tools, terminal, hand or power actuated, wire termination : pneumatic tool for wire b
19、arrel sizes 0000 through 8 3) MI L-C-39029, Contacts, electrical connector, general specification for 3) M lL-C-39029/57, Contacts, electrical connector, socket, crimp removable (for MIL-C-24308, MlL-C-38999 series II, MlL-G55302/68, /71, /72, /75 and MlL-G83733 connectors) 3) M lL-C-39029/58, Conta
20、cts, electrical connector, pin, crimp removable (for MlL-G24308, MlL-C-38999 series I, II, 111 and IV, and MIL-C-55302/69 and MIL-C-83733 connectors) 3) M IL4 -81 969, Installing and removal tools, connector electrical contact, general specification for 3) MIL-I-81969/8, Installing and removal tools
21、, connector electrical contact, types I and II, class 2, composition A 3) MIL-I-81969/14, Installing and removal tools, connector electrical contact, type 111, class 2, composition B 3) MIL-I-81969/30, Installing and removal tools, connector electrical contact, type II, class 2, composition C for un
22、wired 3) 3 See EN 3155-001. D ef i n it i on s 4 Required characteristics 4.1 Specific characteristics Type A contacts are for general application and class S corresponds to an operating temperature range from - 65 OC to 200 OC. 4.2 Dimensions and mass See Figure 1 and Table 1. Dimensions and tolera
23、nces are given in millimetres and apply after surface treatment. Page 5 prEN 31 55-003:2004 W (2:l) Contact size 22 only Key 1 2 6,30 min., see NOTE 1. Colour bands, see Table 2. 7 0 A and 0 C : size 22 contact 3 Manufacturer identification 8 0 C and 0 D : other size contacts 4 4,20 min., see NOTE 2
24、. 9 Identification groove (optional) 5 0,15 max. for contact size 22, see NOTE 3. 10 Retention groove 6 0 General concentricity 0,25 max. for other contacts, see NOTE 3. NOTE 1 female contact spring member. NOTE2 (ref. EN 3155-001, 5.3.2). NOTE 3 Point at which a square ended gauge pin of the same d
25、iameter as the mating contact first engages the This dimension represents both the length of the bore 0 A which includes the active zone of protection Clearance between sleeve and body of the contact Figure 1 Page 6 prEN 31 55-003:2004 P 11.60 I IS0 i3 u Figure 2 - Contact size 12, barrel size 14 Fi
26、gure 3 - Contact size 10 Key 1 14to 16“ Figure 4 - Contact size 20, barrel size 22 Table 1 Page 7 prEN 31 55-003:2004 Contact 4.3 Marking by colour code See Table 2. Barrel I o I o I o I o I o Table 2 22 20 20 20 Two bands according to IS0 8843 22 Green Green Orange Green Yellow 22 Red Green 20 Red
27、Red Orange Green 18 Red Brown - - - - - - Violet Three bands according to MI L-C39029/57 a 16 16 16 Blue Blue Orange Green Grey 14 Blue White - - - 12 12 12 Yellow Yellow Orange Green White 14 Yellow White - - - 10 10 White Brown - - - 4.4 Material, surface treatment - Body material: copper alloy -
28、Surface treatment: gold an appropriate undercoat, thickness of protection not specified, selective protection permitted. Page 8 prEN 31 55-003:2004 Size Contact Barrel 22 22 20 22 20 20 20 18 16 16 16 14 12 12 12 14 10 10 4.5 Permissible cables See Table 3. Rated test current Size of conductors AECM
29、A AWG a A Section mm2 Code 0,40 004 22 5 0,25 002 24 3 0,15 O0 1 26 2 0.40 004 22 5 0.25 002 24 3 0.15 O0 1 26 2 0,60 006 20 7,5 0,40 004 22 5,O 0,25 002 24 3,O 1 ,o0 o1 o 18 7,5 0,60 006 20 7,5 0,40 004 22 5,O 0,25 002 24 3,O 1,20 o1 2 16 13 1 ,o0 o1 o 18 10 0,60 006 20 7,5 2,oo 020 14 13 1,20 o1 2
30、 16 13 1 ,o0 o1 o 18 10 0,60 006 20 7,5 3,OO 030 12 23 2,oo 020 14 17 2,oo 020 14 17 1,20 o1 2 16 13 1 ,o0 o1 o 18 10 0,60 006 20 7,5 5,OO 050 10 33 3,OO 030 12 23 Table 3 a AWG = Closest American Wire Gage 4.6 Tool i ng 4.6.1 Crimping tools Conform to MIL-DTL-22520, see Tables 4 and 5. The qualific
31、ation selector numbers used for crimping mpper or copper alloy conductors in cables EN 2083 are indicated in Table 4. It is the responsability of the user if the parameters in Tables 4 and 5 are changed for service use. Page 9 prEN 31 55-003:2004 Contact I Cable size I TOOIS M22520/1-01 TOOIS M22520
32、/2-01 TOOIS M22520/7-01 :ontact size Selector number Selector Positioner I number I Positioner O01 002 O04 22 - O01 002 O04 22 - 26 24 Not 22 applicable 26 24 Not 22 applicable - - - - - - - - 2 M22520/2-10 M22520/7-08 4 - I 006 I 20 I M22520/1-04 Blue M22520/1-04 Blue 8 8 - M22520/7-04 5 Not 6 appl
33、icable - - - - 7 8 8 - 4 5 Not - M22520/7-04 6 applicable - M22520/1-04 Yellow M22520/1-04 Yellow - - 7 8 Not - applicable - applicable - - Not - - - - - - 4 5 Not 6 applicable - applicable - 6 - Not - - - Contact Barrel size size 10 10 Positioner AECMA AWGa code 030 12 050 10 EN 4008-009 and head E
34、N 4008-010 - - - - Selector number I I I 2 - 1 -1 - M22520/2-06 l+l M22520/7-06 2 22 3 1 2 3 20 002 I 24 14 20 Ml M22520/1-04 l+l M22520/2-10 l+l M22520/7-08 006 Red 20 II II I I 002 I 24 l8 M22520/1-04 M22520/2-10 M22520/7-08 Red 4 7 7 20 141 1-1 17 16 16 161 * 012 12 12 I 020 I 14 a AWG = Closest
35、American Wire Gage Table 5 I Contact I Cable size I Tools M22520/23-01 Page 10 prEN 31 55-003:200 Size Contact Barrel I 4.6.2 Insertionlextraction tool Conform to MIL-1-81969. See Table 6. Extraction tools Wired contact Unwired contact Insertion tools 1 Table 6 10 Not applicable M81969/14-O5 M81969/
36、14-O5 M81969/8-11 M81969/812 10 I M81969/30-O8 M81969/14-O1 M81969/14-O1 22 I 22 I M81969/8-01 I M81969/802 I M81969/30-11 M81969/14- 1 O M81969/14-I 0 2o I 22 I M81969/8-05 I M81969/806 I M81969/14-10 I M81969/30-11 M81969/14- 1 O 2o I 2o I M81969/8-05 M81969B-O6 M81969/14- 1 O M81969/14-I 0 I M819
37、69/30-11 2o I l8 I M81969/8-05 I M81969/806 I M81969/30-12 M81969/14-O3 M81969/14-O3 l6 I l6 I M81969/8-07 I M81969/808 M81969/14-O3 I M811 969/14-03 M81969/30-12 l6 I l4 I M81969/8-07 M81969B-O8 I M81969/30-13 M81969/14-O4 M81969/14-O4 l2 I l2 I M81969/8-09 I M81969/810 4.7 Cable stripping See Tabl
38、e 7 Table 7 Page 11 prEN 31 55-003:2004 4.8 Tests See Table 8. Table 8 Applicable Test applicable According to Not I EN 3155-001 EN 2591- Remarks 1 o1 Visual examination I 102 Examination of dimensions and mass I See 4.2. 201 Contact resistance - low level Contact resistance at rated current X X 202
39、 204 Discontinuity of contacts in the microsecond range Ix 206 Measurement of insulation resistance 1x1 207 Voltage proof test 1x1 21 o Electrical overload I 220 Contact/conductor joint ageing by current and temperature cycling 301 Endurance at temperature T= (200 f 2) “C Dure: 1 O00 h X 305 Rapid c
40、hange of temperature TA = (200 f 2) “C Tg=(-65f2) “C X 307 Salt mist I 315 Fluid resistance 1x1 31 9 Gastightness of solderless wrapped X connections Shock X 402 403 Sinusoidal and random vibration Method B, Figure 2, Leve I J. Ambient temperature X 406 Mechan ical end u rance I 415 Test probe damag
41、e (female contact) I 41 6 Contact bending strength 1x1 41 7 Tensile strength (crimped connection) I 41 8 Gauge insertion/extraction forces (female contacts) Stripping force, solderless wrapped connections 424 425 Unwrapping capability, solderless wrapped connections 50 1 Soft solderability 1x1 502 R
42、estricted entry I 503 Contact deformation after crimping I 507 Plating porosity I 508 Measurement of thickness of coating on contacts Ix The measured thickness shall be recorded 509 51 3 514 Adhesion of coating on contacts Magnetic permeability X Solderability of contacts with self-contained X X sol
43、der and flux a2 Page 12 prEN 31 55-003:2004 Description block CONTACT ELECTRICAL 4.9 Gauges See EN 3155-001. Identity block EN31 55-003F22; 5 Designation EXAMPLE Type Standard of contact number and jj- identification code F: female with two colour bands according to IS0 8843 or S: female with three
44、colour bands according to MIL-C-39029 X: female with two colour bands according to IS0 8843 three colour bands according to MIL-C-39029 Contact size (see Table 1) Barrel size (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 6 Marking See EN 3155-001. 7 Technical specification See EN 3155-001.
