5130-01-224-7140 (A121721)
5130-01-224-7140 is equivalent to manufacture part number A121721. It is a tool bit retainer 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.