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 6650-00-959-6869
NSN 6135-01-384-7155
NSN 6610-01-256-7938
NSN 5945-01-500-4522
NSN 6685-01-652-4482
NSN 5930-01-497-5805
NSN 6150-01-356-4003
NSN 5945-00-230-5203
NSN 7035-00-803-3056
NSN 5935-01-050-9171
NSN 6620-01-466-4436
NSN 6610-01-445-7120