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 5925-01-146-3608
NSN 4140-01-301-1185
NSN 6650-01-124-1902
NSN 2925-01-118-6125
NSN 6610-01-609-7776
NSN 5950-01-484-3753
NSN 5920-00-156-9230
NSN 5996-00-832-9495
NSN 6135-00-334-4500
NSN 5835-01-056-4149
NSN 5905-01-602-5147
NSN 5945-01-047-5066