5310-00-152-7024 (220001005)
NSN 5310-00-152-7024 (NIIN 00-152-7024) is a lock washer in Federal Supply Class 5310, Nuts And Washers — a washer, usually round, with a centrally-located hole. Manufacturer part number 220001005 (Prince Manufacturing Corporation, CAGE 29260).
NIIN assigned October 1971; DEMIL A (none required); unit of issue EA (each), $2.22 gov standard price.