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 7035-00-946-2642
NSN 5925-00-587-4154
NSN 6150-00-208-9614
NSN 5998-01-394-6111
NSN 6610-01-510-8687
NSN 6650-00-316-4889
NSN 5960-01-258-6708
NSN 6135-00-347-0595
NSN 5985-00-369-7180
NSN 5945-00-894-7140
NSN 5945-01-425-1326
NSN 6130-00-407-8109