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 6320-01-172-6103
NSN 6320-00-646-3311
NSN 5895-00-799-3767
NSN 6145-00-765-4280
NSN 2925-01-518-9038
NSN 6610-01-387-5630
NSN 6130-01-100-3285
NSN 6135-00-276-7625
NSN 5895-01-115-3955
NSN 5935-01-424-5981
NSN 6650-01-656-5649
NSN 5998-01-069-2963