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 5920-01-604-9045
NSN 4140-00-829-8765
NSN 5855-01-484-6507
NSN 5930-01-389-6615
NSN 5965-01-656-0566
NSN 5855-01-501-5683
NSN 5990-01-116-2181
NSN 5975-00-119-9182
NSN 6130-00-734-5354
NSN 5950-00-100-5905
NSN 5925-01-221-4088
NSN 6685-00-738-9567