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 6320-01-407-8663
NSN 5999-01-472-3470
NSN 5935-01-250-5433
NSN 5935-01-194-8656
NSN 6320-01-607-1491
NSN 6105-01-261-3046
NSN 6150-00-511-8563
NSN 5925-01-112-2244
NSN 6150-01-131-9801
NSN 6650-01-357-7229
NSN 5935-01-660-9699
NSN 5975-01-246-4609