5315-00-501-3441 (5013441)
NSN 5315-00-501-3441 (NIIN 00-501-3441) is a spring pin in Federal Supply Class 5315, Nails, Machine Keys, And Pins — a tubular item, so formed as to provide a spring action against the inside wall of a hole when driven into abutting pieces to position and hold them in place. Manufacturer part number 5013441 (Army, United States Department Of, CAGE 19204); also referenced as 5315-501-3441 (E.C.A Etablissement Central Des).
Key specs: 40 to 46 rockwell c overall hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required).