1、A-A-55147 15 March 1994 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 Administration has authorized the use of this
2、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 millimeter (.O50 inch) flat cable. This connector can be used in applications that
3、require conformance to the IEEE Application. Connectors covered by this CID are intended for commercial/industrial applications and may be used in military systems where individual environmental and performance requirements can be met. Part or Identifying Number (PIN). The PIN for the CID shall be a
4、s shown in the following example: o1 A-A-55147 - - I 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 shall be as specified on Contacts. The contacts shall be formed of a high
5、 conductive, high strength copper alloy with gold over nickel plating in the contact area. e- Connector housinqs. Connector housings shall be molded from self-extinguishing black thermoplastic material for high impact and dielectric strength. Termination wire ranqe. Terminations shall be insulation
6、displacement type which accomniodate 1.27 millimeter (.O50 inch) centerline flat cable conductor with wire ranges of 26-30 AWG solid or 28 AWG stranded vi re. Contact rating. Termination resistance. The contact resistance shall be 22 milliohms maximum initial for mated connectors Contacts shall be r
7、ated at 1 ampere maximum at +25OC. and 12 milliohms initial for unmated connectors. Dielectric withstandinq voltaqe. There shall be no breakdown of the insulating material when subjected to loo0 V ac for 1 minute between adjacent contacts of the mated connector assemblies. Mating force. Umatina forc
8、e. Durability. Connector mating force shall not exceed 3.12 newtons (0.7 pound) maximum per contact. Connector unmating force shall not exceed .89 newton (0.20 pound) minimum per contact. Durability shall consist of 200 cycles of mating and unmating and upon completion the termination resistance sha
9、ll not exceed a change greater than 10 milliohms maximum from the initial resistance. There shall be no indication of physical damage. Operating temperature. Vibration. The operating temperature range shall be from -4OOC to +7SoC. The connector, or hardware when assembled to the connector, shall exh
10、ibit no evidence of breaking, cracking, or loosening of parts when subjected to vibration of 10-55-10 Hz traversed in 1 minute at 2 millimeters (.O79 inch) total excursion for 2 hours in each of three mutually perpendicular planes. AMSC N/A DISTRIBUTION STATEMENT A. Approved for public release; dist
11、ribution is unlimited. O FSC 5935 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55347 = 9999974 OLb3391 077 m A-A-551 47 8 4.88 A i. 192) COVER I 4, k- 46.79 t0.36 -4 11.8421 (.O141 (2.1751 8 55.25 MAX 4-40 UNC-2B 2 HOLES NOTES : 1. Dimensions
12、are in millimeters. 2. Inches are in parentheses. 3. 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 units shall take precedence.
13、 However, since this item Figure 1. Connector, plug, f Lat cable terminating, 24 contact, screw Locking. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55147 Physical shock. The connector, or hardware when assembled to the connector, shall exh
14、ibit 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 shocks. Regulatory requirements. Quality assurance provisions. Th
15、is 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 inspection, examination, and test requirements specified herein. his own or any other facilities suitable fo
16、r 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 conform to prescribed requirements. Except as otherwise spec
17、ified 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 the product offered meets the requirements of this CID, a
18、nd that the product conforms to the producers own drawings, specif ications, 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 under the provisions of the contract. The Government reser
19、ves 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, packaging, packinq, labeling, and marking. Preservation, packaging, labeling, and marking shall be as spec
20、ified in the contract or purchase order. Notes. process of acquiring the item, but is not mandatory. This section contains relevant information which is useful to buyers, users, and suppliers in the O Referenced document. Other Publication INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE) IEE
21、E 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, Piscataway, NJ 08855-1331.) Acquisition documents should specify
22、the following: Ordering data. 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 Pike, ATTN: DESC-EMT, Dayton, OH 45444-5000, or telephone
23、 (513) 296-5391. 4 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55147 W 9999974 0363393 94T CID PIN A-A-55147- o1 A-A-55147 Source of supply. they become available. A suggested source of supply is listed in table I. Additional sources will b
24、e added as TABLE I. Suggested source of supply. Vendor commercial Vendor CAGE PIN number 553598-1 00779 - Vendor CAGE number 00779 Vendor name and address AMP, Incorporated 470 Friendship Road Harrisburg, PA 171 11 -1203 CIVIL AGENCY COORDINATING ACTIVITY: GSA - 7FXE PREPARING ACTIVITY: DU-ES (Project 5935-D433) 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
