5315-01-048-0653 (4188906)
NSN 5315-01-048-0653 (NIIN 01-048-0653) is a headless shoulder pin in Federal Supply Class 5315, Nails, Machine Keys, And Pins — a cylindrically-shaped headless item, having a shank at one or both ends. Manufacturer part number 4188906 (Bae Systems Land & Armaments L.P., CAGE 80212).
NIIN assigned September 1977; DEMIL A (none required).