5306-00-261-2685 (MIL-DTL-1222)
NSN 5306-00-261-2685 (NIIN 00-261-2685) 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 MIL-DTL-1222 (Military Specifications, CAGE 81349); also referenced as MIL-S-1222 (Military Specifications).
Key specs: finished head; 95 rockwell b maximum overall hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $71.86 gov standard price; ships at 0.66 lb / 0.0017 cu ft. Supersedes 5306-00-206-4926 (1982).