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 5925-00-081-1170
NSN 6130-01-036-2509
NSN 6135-00-728-9860
NSN 5945-00-427-5168
NSN 6220-00-137-7697
NSN 5915-01-444-4069
NSN 5915-00-081-0536
NSN 5835-01-373-9506
NSN 6110-01-338-6746
NSN 5975-00-052-4591
NSN 5999-01-157-4541
NSN 6650-00-113-7698