5305-00-687-6972 (FFS85TYPE2STYLE10PGRADE5)
NSN 5305-00-687-6972 (NIIN 00-687-6972) 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 FFS85TYPE2STYLE10PGRADE5 (Federal Specifications Promulgated, CAGE 81348); also referenced as MS35298-118 (Military Standards).
Key specs: 23 to 30 rockwell c overall hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required). Related NSN 5305-00-716-8181.