5305-00-451-5295 (FFS85)
NSN 5305-00-451-5295 (NIIN 00-451-5295) 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 NASM35308 (National Aerospace Standards); MS35308-426 (Military Standards).
Key specs: 80 rockwell b minimum overall hardness; full characteristics table below. NIIN assigned May 1971; DEMIL A (none required); unit of issue EA (each), $8.16 gov standard price; ships at 0.243 lb / 0.0016 cu ft.