5305-01-252-6017 (9760300)
NSN 5305-01-252-6017 (NIIN 01-252-6017) 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 9760300 (Bek, Inc., CAGE 17283); also referenced as HEX HEAD 0.500-13UNC-2AX 1.250LG (B&G Manufacturing Co Inc); MIL-S-1222 (Military Specifications).
Key specs: finished head; 24 rockwell c minimum overall hardness; full characteristics table below. NIIN assigned April 1987; DEMIL A (none required); unit of issue EA (each), $25.67 gov standard price; ships at 0.1 lb / 0.0007 cu ft.