5310-00-815-2010 (32-21086-3)
NSN 5310-00-815-2010 (NIIN 00-815-2010) is a flat washer in Federal Supply Class 5310, Nuts And Washers — a washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. Manufacturer part number 32-21086-3 (The Boeing Company, CAGE 76301).
NIIN assigned January 1962; DEMIL A (none required); unit of issue EA (each), $13.56 gov standard price.