5306-00-935-2953 (530529)
NSN 5306-00-935-2953 (NIIN 00-935-2953) 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 530529 (Rtx Corporation, CAGE 77445).
Key specs: finished head; 26 to 32 rockwell c overall hardness; full characteristics table below. NIIN assigned May 1967; DEMIL A (none required); unit of issue EA (each), $0.60 gov standard price.