5305-00-013-9727 (139727)
NSN 5305-00-013-9727 (NIIN 00-013-9727) 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 139727 (General Motors LLC, CAGE 7X677); also referenced as FF-S-200, FFS103TYPE3STYLE5 (Federal Specifications Promulgated).
Key specs: 45 to 53 rockwell c overall hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $4.00 gov standard price.