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 5999-01-643-8108
NSN 7035-01-441-9509
NSN 6320-01-084-8186
NSN 4140-01-513-9139
NSN 6610-01-230-9971
NSN 6685-01-423-8076
NSN 6135-01-504-4744
NSN 5935-01-366-9886
NSN 6620-00-269-5168
NSN 6620-01-052-2773
NSN 6240-00-895-6461
NSN 5990-01-059-0947