5315-01-252-1018 (37L82-1-1AA)
NSN 5315-01-252-1018 (NIIN 01-252-1018) is a headless grooved pin in Federal Supply Class 5315, Nails, Machine Keys, And Pins — a headless item of various shapes, usually cylindrical, having either circular or longitudinal groove(s). Manufacturer part number 37L82-1-1AA; also referenced as 8559186-01 (Air Armament Center/ En); 45826-10A (Ancra International LLC); 37L82-1-1AA NC (Howmet Global Fastening Systems Inc).
NIIN assigned March 1987; DEMIL A (none required); unit of issue EA (each), $1.13 gov standard price; ships at 0.1 lb / 0.021 cu ft.