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 6220-01-254-9432
NSN 5999-01-185-0370
NSN 6320-01-541-7585
NSN 6130-00-899-4675
NSN 2925-00-735-4979
NSN 5999-01-015-4194
NSN 6610-01-435-5425
NSN 5999-01-358-1197
NSN 6220-00-364-1605
NSN 7035-01-630-2123
NSN 6650-00-819-1165
NSN 5996-01-243-2765