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 5975-01-025-1613
NSN 6130-00-959-2117
NSN 6110-01-067-2121
NSN 2925-01-088-3612
NSN 6110-01-384-4292
NSN 5915-00-233-7592
NSN 5935-01-358-7099
NSN 6320-01-274-8886
NSN 6650-00-959-6869
NSN 6105-01-375-1519
NSN 5999-01-203-4652
NSN 5999-01-283-4168