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 5895-01-457-1718
NSN 5895-01-485-7297
NSN 5945-01-155-2938
NSN 6240-00-163-5143
NSN 6685-00-118-3625
NSN 5960-00-071-0698
NSN 5910-01-411-4950
NSN 6105-01-381-1088
NSN 5925-01-282-7751
NSN 6240-01-508-4146
NSN 6105-01-606-2140
NSN 6105-00-801-1003