5305-00-026-6545 (734908PC26)
NSN 5305-00-026-6545 (NIIN 00-026-6545) is a socket head cap screw in Federal Supply Class 5305, Screws — an externally threaded fastener whose threaded portion is of one nominal diameter. Manufacturer part number 734908PC26 (Navair And Navsea Managed Original, CAGE 10001); also referenced as FFS86TYPE1STYLE11 (Federal Specifications Promulgated).
Key specs: 36 to 45 rockwell c overall hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $0.28 gov standard price.