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 6320-00-593-0379
NSN 6150-00-599-0721
NSN 6620-01-131-6980
NSN 5935-01-128-0460
NSN 5950-01-005-0111
NSN 5960-01-539-1956
NSN 5998-00-764-2940
NSN 5930-00-114-2310
NSN 5998-01-232-3629
NSN 6145-00-824-8522
NSN 2925-01-436-7325
NSN 5935-01-255-2303