5305-00-577-5448 (FFS85AMEND2TYPE2STYLE10PGRADE2)
NSN 5305-00-577-5448 (NIIN 00-577-5448) 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 FFS85AMEND2TYPE2STYLE10PGRADE2 (Federal Specifications Promulgated, CAGE 81348); also referenced as NASM90725 (National Aerospace Standards); MS35293-107 (Military Standards).
Key specs: 100 rockwell b maximum overall hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required). Related NSN 5305-00-732-0512.