5315-01-032-6252 (4159232)
NSN 5315-01-032-6252 (NIIN 01-032-6252) is a headless straight pin in Federal Supply Class 5315, Nails, Machine Keys, And Pins — a headless, generally cylindrically-shaped item having a straight, smooth, solid body, with or without a drilled hole(s). Manufacturer part number 4159232 (Bae Systems Land & Armaments L.P., CAGE 80212).
Key specs: 40 to 45 rockwell c overall hardness; full characteristics table below. NIIN assigned December 1976; DEMIL A (none required).