5310-01-010-1828 (1114-04)
NSN 5310-01-010-1828 (NIIN 01-010-1828) is a lock washer in Federal Supply Class 5310, Nuts And Washers — a washer, usually round, with a centrally-located hole. Manufacturer part number 1114-04 (Itw Shakeproof Automotive Products, CAGE 78189).
NIIN assigned September 1975; DEMIL A (none required).