5315-01-087-4664 (103153)
NSN 5315-01-087-4664 (NIIN 01-087-4664) is a headed straight pin in Federal Supply Class 5315, Nails, Machine Keys, And Pins — a headed, cylindrically-shaped item having a solid shank for fitting into corresponding holes, used for aligning or fastening. Manufacturer part number 103153 (Triumph Engine Control Systems LLC, CAGE 11599).
Key specs: 26 to 32 rockwell c overall hardness; full characteristics table below. NIIN assigned December 1979; DEMIL A (none required); unit of issue EA (each).