5306-00-766-5053 (S14-35-3019)
NSN 5306-00-766-5053 (NIIN 00-766-5053) 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 S14-35-3019 (Sikorsky Aircraft Corporation, CAGE 78286).
Key specs: finished head; 26 to 32 rockwell c overall hardness; full characteristics table below. NIIN assigned January 1962; DEMIL A (none required).