5306-01-122-5448 (MS20044-1)
NSN 5306-01-122-5448 (NIIN 01-122-5448) is a machine bolt in Federal Supply Class 5306, Bolts — an externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. Manufacturer part number MS20044-1 (National Aerospace Standards, CAGE 80205); also referenced as NASM7874 (National Aerospace Standards).
Key specs: finished head; 27 to 37 rockwell c overall hardness; full characteristics table below. NIIN assigned November 1981; DEMIL A (none required); unit of issue EA (each), $355.73 gov standard price; ships at 0.4 lb / 0.0111 cu ft.