5130-01-389-8450 (21-505)
5130-01-389-8450 is equivalent to manufacture part number 21-505. It is a socket wrench socket and is classified under Federal Supply Class 5130 (5130 - Hand Tools, Power Driven), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5130 - Hand Tools, Power Driven and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.