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 6135-00-255-1340
NSN 5945-01-572-4226
NSN 5925-01-165-7053
NSN 6150-01-237-2255
NSN 6650-00-555-1061
NSN 5945-00-838-3895
NSN 5965-01-560-8572
NSN 6240-01-104-5693
NSN 2925-00-735-4979
NSN 6320-01-262-8642
NSN 6130-00-111-1320
NSN 6240-01-201-6306