5315-00-343-3760 (CE11178)
NSN 5315-00-343-3760 (NIIN 00-343-3760) 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 CE11178 (National Security Agency, CAGE 98230).
Key specs: 36 to 40 rockwell c overall hardness; full characteristics table below. NIIN assigned January 1970; DEMIL A (none required).