1、A-A-52531 = 9999974 OLb9713 5Lb I INCH-POUND I A-A-5253 1 SUPERSEDING MS53038E 9 October 1987 COMMERCIAL ITEM DESCRIPTION KINGPIN, FIFTH WHEEL, 2 INCH AND 3.5 INCH, UNIVERSAL The General Services Administration has authorized the use of this commercial item description (CID) for all federal agencies
2、. 1. SCOPE. This CID covers the requirements for a universal kingpin used in coupling military trailer to a truck-tractor or a trailer converter dolly fifth wheel. It also includes the requirements for kingpins used in trailers when transported on flat cars. 2. SALIENT CHARACTERISTICS. 2.1 Materiais
3、. Unless otherwise specified herein, the materials used shall be in accordance with manufacturers specifications/drawings. The use of recovered materials made in compliance with regulatory requirements is acceptable providing that all requirements of this CID are met (see 3.1). 2.2 Steelforging. The
4、 kingpins shall be made of steel forgings of carbon content 0.35% max. with sufficient alloy content to be oil quenched and tempered to 443-512 BHN at the surface. 2.3 Resign.and_construction. Unless otherwise specified herein (see figure i), the kingpin shall be designed and constructed to the form
5、 and dimensions in accordance with SAE 5700 and SAE 5848. Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any other data which may improve this document should be sent by letter to: U.S. Army Tank-automotive and Armaments Command, ATTN: AMSTA-TR-EBLUE, Warren, MI
6、 48397-5000. FSC 2510 R1STR.UTION.STATEMENT A. Approved for public release: distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-52531 9999974 0169714 452 A-A-5253 1 1.265 563 1.265 I 2 005 2.8275 !995 2.7975 1 2.8PU“ 1 - -
7、 2 870 J.3bO I 3.495 J 490 4.995 J 1135 HOLE X7.750-DEEP(MAX) APPROXIMATE ? ptocei MARKING AREA Number NOTES: 1. Unless otherwise specified, all radii shall be 0.125 inch. 2. Dimensions are in inches. Dimensions indicated by pound sign (#) shall be in accordance with SAE 3700 and 3848. 3. Heat treat
8、: Oil quench and temper to a surface hardness of 443-512 BHN over all areas of kingpin. 4. The use of asterisks (*) indicates that dimensions are covered by international agreement (see 6.5). 5. Unless otherwise specified, tolerances are f 0.015; f 1 O on angular dimensions. 6. Unless otherwise spec
9、ified, machined surfaces shall be vor better, according to ANSUASME B46.1 (see 6.1.2). FIGUREI. King- * ch-. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52531 = 9999974 0169715 399 = A-A-52531 2.4 Performance. When properly installed, the k
10、ingpin shall meet the performance requirements in accordance with SAE 3133. When transported on a flat car, the kingpin shall withstand the force of 3.5 gross vehicle weight (GVW) and shall be in accordance with other requirements specified in the Association of American Railroads specification M93
11、1. * gs. Identification markings shall be permanent and legible and shall . 2.5 include, as a minimum, the manufacturers CAGE code, manufacturers part number and the part identification number (PIN), AA52531-1. The upper coupler plate thickness shall be specified on the kingpin and heat code of lot
12、control (traceability) shall be specified (see Figure 1 and 6.2). 3. REGULATORY REQUIREMENTS. 3.1 B. The offeror/contractor is encouraged to use recovered materials to the extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 4. QUALITY ASSURANCE PROVIS
13、IONS. 4.1 Responsibilityhrinspection. The contractor is responsible for the performance of all inspections (examinations and tests). 4.2 Hacdness.testing. The kingpin shall receive 100% Brinell Hardness and 100% Magnetic Particle Inspec tion. 4.3 Contractorxertification. The contractor shall certify
14、 and maintain substantiating evidence that the product offered meets the salient characteristics of this CID and that the product conforms to the producers own drawings, specifications, workmanship standards, and quality assurance practices. Items with known defects shall not be submitted for Govern
15、ment acceptance. The Government reserves the right to require proof of such conformance prior to the first delivery and thereafter as may be otherwise provided for under the provisions of the contrac t. 5. PACKAGING. Preservation, packing, and marking shall be as specified in the contract or order (
16、see 6.2). 6. NOTES. (This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-52531 9999974 OLb971b 225 - A-A-52531 6.1 -htereferenced. . C
17、opies of “The Code of Federal Regulations (CFR)” are 6.1.1 &yemmndmlmm available from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402. 6.1.2 Non-Go Performance-Commercial Trailers and Semitrailers”, SAE 5700 “Upper Coupler Kingpin- Commercial Trailers and Semit
18、railers”, and SAE 5848 “Fifth Wheel Kingpin, Heavy Duty Commercial Trailers and Semitrailers” are available from the Society of Automotive Engineers (SAE) , 400 Commonwealth Drive, Warrendale, PA 15096. Association of American Railroads document M931-88 “Highway Trailers, All Types, for TOFC Service
19、” is available from the Association of American Railroads (AAR), 50 F Street, N.W., Washington, DC 20001. Copies of ANSUASME B46.1 “Surface Texture (Surface Roughness, Waviness, and Lay)” are available from The American National Standards Institute, 11 West 42nd Street, New York, NY 10036. _nublicat
20、ions. Copies of SAE 5133 “Fifth Wheel Kingpin 6.2 Qtderingdata. Acquisition documents must specify the following: a. Title, number, and date of this CID. b. Issue of Department of Defense Index of Specifications and Standards (DODISS) to be cited in the solicitation, and if required, the specific is
21、sue of individual documents referenced. c. PIN. d. Selection of applicable level and packaging requirements. 6.3 Associatedfifth wheels. See MS53034 for associated fifth wheel used with this kingpin. 6.3.1 Associated socket. See CID A-A-52532 for associated socket used with this kingpin. 6.4 Crass-r
22、eferencedata. Kingpins conforming to this CID are interchangeable/substitutable with kingpins conforming to MS53038-1. 6.5 UitemionalsIationagteent. Certain provisions of this specification (see figure 1) are the subject of international standardization agreement QSTAG 284 and NATO-STANAG 4009. When
23、 amendment, revision, or cancellation of this specification is proposed that will modify the intemational agreement concerned, the preparing activity will take appropriate action through international standardization channels, including departmental standardization offices, to change the agreement o
24、r make other appropriate accommodations. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-52533 999997Ll 0369737 Lb3 9 A-A-52531 MILITARY INTERESTS: Army - AT Navy - YD Air Force - 99 CIVIL AGENCY COORDINATING ACTIVITY: GSA - FSS PREPARING ACTIVITY: Army - AT (Project 251 0-0129) Amy - ME Navy - MC Air Force - 84 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
