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 6110-01-296-9779
NSN 5925-01-485-0670
NSN 6135-00-816-9052
NSN 6645-01-629-9657
NSN 6620-01-205-0320
NSN 5998-01-074-3778
NSN 5945-01-174-5705
NSN 5915-00-206-0086
NSN 5835-00-217-2147
NSN 5905-00-484-0953
NSN 6240-01-388-4099
NSN 6645-01-225-8106