5306-01-092-9896 (J58)
NSN 5306-01-092-9896 (NIIN 01-092-9896) 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 J58; also referenced as J58 5/8-11UNC-3AX6.000NOM (Sae International).
Key specs: finished head; 36 to 43 rockwell c overall hardness; full characteristics table below. NIIN assigned April 1980; DEMIL A (none required); ESD/EMI-sensitive; unit of issue EA (each), $6.30 gov standard price.