5305-01-109-2007 (10087765)
NSN 5305-01-109-2007 (NIIN 01-109-2007) 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 10087765 (Nimikkeistokeskus Ncb Finland, CAGE A486G); also referenced as 11629625-16 (U S Army Tank Automotive Command).
Key specs: 33 to 58.6 rockwell c overall hardness; full characteristics table below. NIIN assigned March 1981; DEMIL A (none required).