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 6240-00-307-9650
NSN 6105-01-154-1062
NSN 6320-01-564-0893
NSN 5965-01-182-5768
NSN 4140-00-597-5260
NSN 5835-01-329-4814
NSN 5915-00-597-0038
NSN 5925-01-194-1538
NSN 6610-01-617-5228
NSN 5895-01-308-5126
NSN 5965-01-030-0108
NSN 6220-00-155-4524