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 5975-01-486-0056
NSN 5950-00-845-0317
NSN 5925-00-915-1204
NSN 6150-01-438-3987
NSN 5855-01-010-4921
NSN 6145-01-505-6021
NSN 6130-01-254-1548
NSN 6110-01-103-4046
NSN 6135-01-164-3561
NSN 5950-01-242-9896
NSN 6220-01-418-5085
NSN 5935-00-445-3938