INCH-POUND
A-A-52532
November 27, 1995
SUPERSEDING
MS53039B
31 January 1990
COMMERCIAL ITEM DESCRIPTION
SOCKET, KINGPIN, FIFTH WHEEL - UNIVERSAL
The General Services Administration has authorized the use of this commercial item
description (CID) for all federal agencies.
1. SCOPE
This CID covers the requirements for a universal socket used with the universal kingpin in
coupling trailer to a truck-tractor or a trailer converter dolly fifth wheel.
2. SALIENT CHARACTERISTICS
2.1 Materials. Unless otherwise specified herein, the materials used shall be in accordance with
manufacturer's 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).
2.1.1 Steel casting. The socket shall be made of steel casting conforming to Unified Numbering
System Number UNS J03001 (see 6.1.2).
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-E/BLUE, Warren, MI 48397-5000.
FSC 2510
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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