5305-00-357-1457 (FFS85)
NSN 5305-00-357-1457 (NIIN 00-357-1457) is a hexagon head cap screw in Federal Supply Class 5305, Screws — an externally threaded fastener designed for insertion into holes in assembled parts. Manufacturer part number FFS85 (Federal Specifications Promulgated, CAGE 81348); also referenced as MS90726-202 (National Aerospace Standards).
Key specs: 25 to 34 rockwell c overall hardness; full characteristics table below. NIIN assigned February 1974; DEMIL A (none required). Related NSN 5305-01-277-0424.