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 6620-01-070-9042
NSN 5925-01-584-3202
NSN 5945-01-495-4047
NSN 6145-00-440-3503
NSN 6150-01-532-9271
NSN 5965-00-275-0491
NSN 5945-01-085-1220
NSN 6105-01-305-2734
NSN 6130-01-322-8507
NSN 6645-00-339-0318
NSN 5925-01-240-1827
NSN 6105-01-300-7594