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 5960-01-314-1822
NSN 5855-00-327-2112
NSN 6105-01-437-8875
NSN 5855-01-334-6594
NSN 5945-01-167-8498
NSN 5990-01-128-3758
NSN 6220-01-334-2251
NSN 6620-01-346-6575
NSN 6145-00-435-9296
NSN 6135-00-182-7008
NSN 6220-01-050-8923
NSN 4140-00-659-8283