5305-00-261-2004 (FFS85TYPE2STYLE10PGRADE2)
NSN 5305-00-261-2004 (NIIN 00-261-2004) 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 FFS85TYPE2STYLE10PGRADE2 (Federal Specifications Promulgated, CAGE 81348).
Key specs: 207 brinell standard maximum overall hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required).