An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 6650-01-290-4001
NSN 6150-01-528-0716
NSN 6645-01-344-4184
NSN 6130-01-483-3945
NSN 6645-01-496-0073
NSN 5965-01-119-1898
NSN 5960-01-418-2641
NSN 6220-01-058-3457
NSN 5975-00-089-2682
NSN 6130-00-265-1765
NSN 5920-01-127-6766
NSN 5960-01-502-3268