5315-00-010-3696 (103696)
NSN 5315-00-010-3696 (NIIN 00-010-3696) 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 103696 (General Motors LLC, CAGE 7X677); also referenced as MIL-P-21143 (Military Specifications).
Key specs: 40 to 58 rockwell c overall hardness; full characteristics table below. NIIN assigned June 1987; DEMIL A (none required).