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 5835-01-435-4139
NSN 6620-01-327-4111
NSN 5990-00-477-1362
NSN 5935-00-542-3634
NSN 6685-01-164-4130
NSN 5920-01-349-3488
NSN 6620-01-325-4220
NSN 6610-00-083-8377
NSN 6105-01-272-3189
NSN 5990-01-184-2550
NSN 5990-01-487-0871
NSN 6620-00-176-5722