5306-00-143-3287 (FFS85)
NSN 5306-00-143-3287 (NIIN 00-143-3287) 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 FFS85 (Federal Specifications Promulgated, CAGE 81348); also referenced as MS51108-29 (Military Standards).
Key specs: finished head; 32 rockwell c minimum and 38 rockwell c maximum overall hardness; full characteristics table below. NIIN assigned October 1968; DEMIL A (none required); unit of issue EA (each), $0.19 gov standard price; ships at 0.02 lb / 0.0001 cu ft. Supersedes 5306-00-022-2975 (1987).