5305-00-156-2409 (FFS92)
NSN 5305-00-156-2409 (NIIN 00-156-2409) is a machine screw in Federal Supply Class 5305, Screws — an externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger. Manufacturer part number FFS92 (Federal Specifications Promulgated, CAGE 81348).
Key specs: 26 to 32 rockwell c hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); export Schedule B 7318.15.2000; ships at 4.92 lb / 0.0579 cu ft.