5340-01-512-5083 (M700-5057-FL-3W)
5340-01-512-5083 is equivalent to manufacture part number 21M-85-2. It is a helical compression spr retainer and is classified under Federal Supply Class 5340 (5340 - Commercial Hardware), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5340 - Commercial Hardware and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.