5305-00-018-2776 (5154399)
NSN 5305-00-018-2776 (NIIN 00-018-2776) 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 5154399 (General Motors LLC, CAGE 7X677); also referenced as FFS85TYPE2STYLE10PGRADE5 (Federal Specifications Promulgated); MILB857ATYPE2GRADE2 (Military Specifications).
Key specs: 23 to 30 rockwell c overall hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); ships at 0.01 lb / 0.001 cu ft. Supersedes 5306-00-282-0385 (1961), 5306-00-524-7914 (1961); related NSN 5305-00-719-5219.