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 6130-01-516-9429
NSN 5925-01-340-1185
NSN 6145-01-494-8591
NSN 5935-01-562-1378
NSN 7035-01-429-7954
NSN 4140-01-634-0330
NSN 5920-00-276-8657
NSN 5935-00-456-5937
NSN 5905-01-135-5504
NSN 5960-01-318-6557
NSN 5975-01-248-8447
NSN 6620-00-153-0982