5305-00-226-9072 (FFS85)
NSN 5305-00-226-9072 (NIIN 00-226-9072) 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).
Key specs: 80 to 100 rockwell b overall hardness; full characteristics table below. NIIN assigned January 1961; DEMIL A (none required). Supersedes 5305-00-266-6394 (1963); related NSN 5305-00-725-0149.