5306-01-116-5408 (FF-S-85)
NSN 5306-01-116-5408 (NIIN 01-116-5408) 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 FF-S-85 (Federal Specifications Promulgated, CAGE 81348); also referenced as MS51095-367 (National Aerospace Standards).
Key specs: finished head; 25 to 34 rockwell c overall hardness; full characteristics table below. NIIN assigned July 1981; DEMIL A (none required); unit of issue EA (each), $0.49 gov standard price; ships at 0.095 lb / 0.0006 cu ft.