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 5975-01-597-5813
NSN 5895-01-441-2378
NSN 6150-01-511-7642
NSN 5990-01-246-2488
NSN 5999-01-042-3649
NSN 4140-00-736-4224
NSN 6645-00-413-0461
NSN 5920-00-066-2699
NSN 5935-01-486-7137
NSN 6135-00-983-9187
NSN 5905-01-288-8632
NSN 5975-01-462-3527