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 6135-01-472-9011
NSN 6145-01-507-7336
NSN 6320-00-937-5625
NSN 5905-01-634-0595
NSN 5945-01-613-1137
NSN 5915-00-126-9683
NSN 5930-01-359-2088
NSN 5920-01-069-0270
NSN 2925-00-236-9986
NSN 6105-01-078-3710
NSN 6130-01-331-8349
NSN 6240-01-463-1169