1、U A-A-55142 9999974 OLbL518 TOB A-A-55142 December 7, 1993 COMMERCIAL ITEM DESCRIPTION CONNECTORS, ELECTRICAL, IEEE 488 COMPATIBLE, RECTANGULAR, MINIATURE, POLARIZED SHELL, PLUG, LOW PROFILE, 24 POSITION, FLAT CABLE TERMINATING, INSULATION DISPLACEMENT, SCREW LOCKING The General Services Administrat
2、ion has authorized the use of this commercial item description (CID). Abstract. This CID covers the general requirements for a polarized shell, plug, electrical digital interface bus connector. 488 interface standard, and require termination of a 1.27 mm (.O50 inch) flat cable. This connector can be
3、 used in applications that require conformance to the IEEE Application. Connectors covered by this CID are intended for commercial/industr1al applications and may be used in military systems where individual environmental and performance requirements can be met. Part or Identifyinq Number (PIN). The
4、 PIN for the CID shall be as shown in the following example: o1 A-A-55142 - - l I I I II CID number Dash number Salient characteristics. Desiqn, construction, and dimensions. figure 1 and in accordance with IEEE 488. Design, construction, and dimensions shalt be as specified on Contacts. The contact
5、s shall be formed of a high conductive, high strength copper alloy with gold over e- nickel plating in the contact area. Connector housinqs. Connector housings shall be molded from self-extinguishing black thermoplastic material for high impact and dielectric strength. Termination wire ranqe. Termin
6、ations shall be insulation displacement type uhich accommodate 1.27 mm (.O50 inch) centerline flat cable conductor with wire ranges of 26-30 AWG solid or 28 AWG stranded wire. Contact rating. Termination resistance. The contact resistance shall be 22 milliohms maximum initial for mated connectors Co
7、ntacts shall be rated at 1 ampere maximum at +25C. and 12 milliohms intial for unmated connectors. z 1 b Dielectric withstandinq voltage. There shall be no breakdoun of the insulating material when subjected to 1000 V ac for 1 minute between adjacent contacts of the mated connector assemblies. Matin
8、g force. Unmatinq force. Durability. Connector mating force shall not exceed 3.12 newtons (0.7 pound) maximum per contact. Connector unmating force shall not exceed 0.89 newton (0.20 pound) minimum per contact. Durability shall consist of 200 cycles of mating and unmating and upon completion the ter
9、mination resistance shall not exceed a change greater 10 milliohms maximum from the initial resistance. There shall be no indication of physical damage. Operating temperature. Vibration. The connector, or hardware when assembled to the connector, shall exhibit no evidence of The operating temperatur
10、e range shalt be from -4OC to +75“C. breaking, cracking, or loosening of parts when subjected to vibration of 10-55-10 Hz traversed in 1 minute at 1.52 mm (.O6 inch) total excursion for 2 hours in each of three mutually perpendicular planes. AMSC NfA DISTRIBUTION STATEMENT A. Approved for public rel
11、ease; distribution is unlimited. FSC 5935 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55142 4.88 COVER I I FF 46.79 10.36 -0.013 4-40 UNC-28 Y 2 HOLES mm - n I I O. 013 Le 36.22 HIN-A 0.36 2.16 4.88 12.14 15.75 36,22 1 * INCH ,0005 .014 .085
12、.192 .478 .620 1.426 1.842 2.175 NOTES: I. 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 between the metric and inch-pound units, the inch-pound unit
13、s shall take precedence. However, since this item * Figure 1. Connector, plug, flat cable terminating, 24 contact, panel mount. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55342 9979774 0363520 666 A-A-55142 Physical shock. The connector, o
14、r hardware when assembled to the connector, shall exhibit no evidence of of parts when subjected to 50 Gs half-sine wave shock of 11 milliseconds breaking, cracking, or loosening duration, 3 shocks in each direction applied along the three mutually perpendicular planes for a total of 18 Y shocks. Re
15、qulatory requirements. This section is not applicable to this CID. i Quality assurance provisions. Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection, examination, and test requirements spec
16、ified 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 necessary to assure supplies and services con
17、form 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 and maintain objective quality evidence that
18、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 thereafter as may be otherwise provided for un
19、der 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. Packaging. Preservation, packaqinq, packing, labeling, and marking. Preserva
20、tion, packaging, labeling, and marking shall be as specified in the contract or purchase order. Notes. This section contains relevant information which is useful to buyers, users, and suppliers in the 0- process of acquiring the item, but is not mandatory. Referenced document. Other Publication INST
21、ITUTE 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 Service Center, 445 Hoes Lane, P.O. Box 1331, Piscatawa
22、y, 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 Defense Electronics Supply Center, 1507 Wilmington P
23、ike, ATTN: DESC-EMT, Dayton, OH 45444-5000, or telephone (513) 296-5391. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55l.142 9999974 OLbL521 5T2 CID PIN A-A-55142- o1 A-A-551 42 Source of supply. they become available. A suggested source of
24、 supply is listed in table I. Additional sources will be added as TABLE I. Suggested source of supply. I I I I Vendor commercial Vendor CAGE PIN number 554103-1 00779 Vendor CAGE number mn9 CIVIL AGENCY COORDINATING ACTIVITY: GSA - 7FXE PREPARING ACTIVITY: DIA-ES (Project 5935-D428) Vendor name end address AMP, Incorporated 470 Friendship Road Harrisburg, PA 17111-1203 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
