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 5920-01-414-2393
NSN 7035-01-479-1840
NSN 5945-01-271-1067
NSN 6320-01-277-5793
NSN 5925-00-098-9116
NSN 5925-01-428-4206
NSN 6620-00-113-9145
NSN 5999-00-984-0602
NSN 5905-01-167-0807
NSN 5835-00-594-4921
NSN 5965-01-542-8510
NSN 5985-01-469-6293