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 6145-01-357-7103
NSN 5950-01-634-0677
NSN 5910-00-405-3874
NSN 6610-01-398-8815
NSN 5930-00-239-7650
NSN 6145-01-552-0654
NSN 5999-01-093-4990
NSN 5855-01-490-4643
NSN 6685-00-869-5756
NSN 6320-00-994-0179
NSN 5925-01-584-4238
NSN 5935-00-518-1754