5305-00-012-1900 (101982)
NSN 5305-00-012-1900 (NIIN 00-012-1900) 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 101982 (Mcculloch Corp, CAGE 81580); also referenced as FFS85TYPE2STYLE10PGRADE2 (Federal Specifications Promulgated); 121900 (General Motors LLC).
Key specs: 100 rockwell b maximum overall hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required). Related NSN 5305-00-225-3843.