5310-00-456-2008 (FIG7XPC40)
NSN 5310-00-456-2008 (NIIN 00-456-2008) is a hexagon self-locking nut in Federal Supply Class 5310, Nuts And Washers — a nut having a flat bottom and 6 sides. Manufacturer part number FIG7XPC40 (Elliott Company, CAGE 72957); also referenced as P14J21 (Elliott Company).
NIIN assigned September 1972; DEMIL A (none required); unit of issue EA (each), $37.12 gov standard price.