5306-00-206-2938 (FFS85)
NSN 5306-00-206-2938 (NIIN 00-206-2938) 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 MS35309-338, MS35309-38 (Military Standards).
Key specs: finished head; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $7.09 gov standard price; ships at 0.041 lb / 0.0004 cu ft. Supersedes 5305-00-402-2644 (1970).