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 6110-01-157-8253
NSN 5920-01-282-4859
NSN 6135-00-194-9354
NSN 6620-00-244-0125
NSN 5999-01-509-5362
NSN 6145-01-471-1823
NSN 5985-01-521-4334
NSN 5855-01-634-0259
NSN 5835-01-366-5907
NSN 6130-00-209-6716
NSN 6105-01-446-7245
NSN 5945-01-445-6081