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 6610-01-385-1771
NSN 5975-00-107-4283
NSN 6145-01-133-4550
NSN 5960-01-317-3800
NSN 6610-00-891-2272
NSN 6610-01-504-1276
NSN 5960-01-414-8918
NSN 5920-00-008-7134
NSN 6110-00-533-4334
NSN 4140-01-139-4041
NSN 5996-01-212-9866
NSN 6620-00-266-2763