5315-00-059-0980 (590980)
NSN 5315-00-059-0980 (NIIN 00-059-0980) is a cotter pin in Federal Supply Class 5315, Nails, Machine Keys, And Pins — a half round, cylindrical, or flat piece of metal, bent to form a straight or crimped two-pronged device with an eye at one end. Manufacturer part number 590980 (Army Weapons Command Attn, CAGE 21450).
NIIN assigned January 1963; DEMIL A (none required); unit of issue PG (package), $5.45 gov standard price; ships at 0.01 lb / 0.001 cu ft.