5310-01-108-6232 (65489-13)
NSN 5310-01-108-6232 (NIIN 01-108-6232) is a lock washer in Federal Supply Class 5310, Nuts And Washers — a washer, usually round, with a centrally-located hole. Manufacturer part number 65489-13 (Tld Ace Corp, CAGE 00365); also referenced as AN935-616 (Aeronautical Standards Group Dept Of).
NIIN assigned March 1981; DEMIL A (none required); ships at 0.0001 lb / 0 cu ft.