5305-00-545-8458 (FFS103)
NSN 5305-00-545-8458 (NIIN 00-545-8458) is a setscrew in Federal Supply Class 5305, Screws — an externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone. Manufacturer part number FFS103 (Federal Specifications Promulgated, CAGE 81348); also referenced as MS51027-32 (Military Standards).
Key specs: 45 to 53 rockwell c overall hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required). Related NSN 5305-00-724-6786.