DLA A-A-55138-1993 CONNECTORS ELECTRICAL IEEE 488 COMPATIBLE RECTANGULAR MINIATURE POLARIZED SHELL RECEPTACLE 24 POSITION CABLE TERMINATING INSULATION DISPLACEMENT SCREW OR BAIL LO.pdf

1、h-A-55L3d 9799974 0363574 837 = A-A-551 38 December 7, 1993 COMMERCIAL ITEM DESCRIPTION CONNECTORS, ELECTRICAL, IEEE 488 COMPATIBLE, RECTANGULAR, MINIATURE, POLARIZED SHELL, RECEPTACLE, 24 POSITION,CABLE TERMINATING, INSULATION DISPLACEMENT, SCREU OR BAIL LOCKING, THICK FLANGE The General Services A

2、dministration has authorized the use of this commercial item description (CID). Abstract. This CID covers the general requirements for a polarized shell, plug, electrical digitat interface bus connector. This connector can be used in applications that require conformance to the IEEE 488 interface st

3、andard, and require termination of a discrete wire type cable. typically used in cable-to-cable interconnections. commercial/industrial applications and may be used in military systems where individual environmental and performance requirements can be met. These connectors are Connectors covered by

4、this CID are intended for Part or Identifying Number (PIN). The PIN for the CID shall be as shown in the following example: o1 A-A-55138 - - I I I I II CID number Dash number Salient characteristics. Desiqn, construction, and dimensions. Design, construction, and dimensions shall be as specified on

5、figure 1 and in accordance with IEEE 488. Contacts. The contacts are formed of a high conductive, high strength copper alloy with gold over nickel plating in the contact area. a- Connector housings. Connector housings are molded from self-extinguishing black thermoplastic material for high impact an

6、d dielectric strength. Connectors are typically used for cable-to-cable interconnections. Termination wire ranqe. Terminations are insulation displacement type which accommodate wire ranges of 24-26 AWG solid or 24 AWG stranded (7 strand) wire. Contact rating. Termination resistance. The contact res

7、istance shall be 20 milliohms maximum initial. Dielectric withstandinq voltage. Contacts shall be rated at 3.5 amperes maximum at +25“C for 22 AWG. There shall be no breakdown of the insulating material when subjected to 1000 V ac for 1 minute between adjacent contacts of the mated connector assembl

8、ies. Mating force. Unmatinq force. Contact retention. Contact retention force shall be 13.34 newtons (3 pounds) minimum. Durability. Connector mating force shall not exceed 2.67 newtons (0.6 pound) maximum per contact. Connector unmating force shall not exceed .67 newton (0.15 pound) minimum per con

9、tact. Durability shall consist of 200 cycles of mating and unmating and upon completion the termination resistance shall not exceed 26.5 milliohms maximum. damage. There shall be no indication of physical Operating temperature. The operating temperature range shall be from -40C to +75“C. AMSC N/A DI

10、STRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. FSC 5935 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-SSL38 9999974 OLbL575 773 A-A-551 38 17 M 4-40 (2 UNC-2B Holes) mm 0.013 0.36 2.16 4.88 11.94 12.57 15.37 17.

11、53 36.20 46.79 55. 2.5 INCH . O005 . O14 . O85 .192 .47 -495 .605 .690 1.425 1.842 2.175 NOTES: 1. Dimensions are in millimeters. 2. The US government preferred system of measurement is the metric SI system. was originally designed using inch-pound units of measurement, in the event of conflict betw

12、een the metric and inch-pound units, the inch-pound units shall take precedence. However, since this item Figure 1. Connector, receptacle, 24 contacts, screw or bail locking, thick flange. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55138 V

13、ibration. The connector, or hardware when assembled to the connector, shall exhibit no evidence of breaking, cracking, or loosening of parts when subjected to vibration of 10-55-10 Hz traversed in 1 minute a at 1.52-mi llimetek (-060 inch)-total excursion for 2 hours in each of three mutually perpen

14、dicular planes. The connector, or hardware when assembled to the connector, shall exhibit no evidence of Physical shock. breaking, cracking, or loosening of parts when subjected to 50 Gs half-sine wave shock of 11 milliseconds duration, 3 shocks in each direction applied along the three mutually per

15、pendicular planes for a total of 18 I shocks. Requlatory requirements. Quality assurance provisions. This section is not applicable to this CID. Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspe

16、ction, examination, and test requirements specified herein. his own or any other facilities suitable for the inspection requirements specified herein, unless disapproved by the Government. examinations, or tests set forth in this description where such inspections, examinations, and tests are deemed

17、 necessary to assure supplies and services conform to prescribed requirements. Except as otherwise specified in the contract or purchase order, the contractor may use The Government reserves the right to perform any of the inspections, Contractor certification statement. The contractor shall certify

18、 and maintain objective quality evidence that the product offered meets the requirements of this CID, and that the product conforms to the producers own drawings, specifications, standards, quality assurances practices, and is the same as the product provided as a bid sample. the first delivery and

19、thereafter as may be otherwise provided for under the provisions of the contract. The Government reserves the right to require proof of such conformance prior to Certificate of compliance. A certificate of compliance shall accompany all connectors supplied to this CID. Packaqing. Preservation, packa

20、ging, packinq, labelinq, and marking. Preservation, packaging, labeling, and marking shall be as specified in the contract or purchase order. - Notes. process of acquiring the item, but is not mandatory. O This section contains relevant information which is useful to buyers, users, and suppliers in

21、the Referenced document. Other Publi cat ion INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE) IEEE 488 - IEEE Standard Digital Interface for Programmable Instrumentation. (Applications for copies should be addressed to the Institute of Electrical and Electronics Engineers (IEEE), IEEE Servic

22、e Center, 445 Hoes Lane, P.O. Box 1331, Piscataway, NJ 08855-1331.) Orderinq data. Acquisition documents should specify the following: a. CID document number and revision and CID PIN. b. Quality assurance provisions. c. Packaging requirements. Comments. Comments on this CID should be directed to Def

23、ense Electronics Supply Center, 1507 Uilmington Pike, ATTN: DESC-EMT, Dayton, OH 45444-50(30, or telephone (513) 296-5391. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55138 CID PIN A-A-55138- o1 Source of supply. they become available. A su

24、ggested source of supply is listed in table I. Additional sources will be added as TABLE 1. Suggested source of supply. I I Vendor commercial Vendor CAGE PIN number 552313-1 00779 Vendor CAGE number 00779 CIVIL AGENCY COORDINATING ACTIVITY: GSA - 7FXE PREPARING ACTIVITY: DU-ES (Project 5935-DU4) Vendor name and address AMP, Incorporated 470 Friendship Road Harrisburg, PA 171 11 -1203 4 P Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-