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 6620-01-272-7831
NSN 5920-00-422-0757
NSN 5920-00-658-7219
NSN 6645-01-426-8621
NSN 5975-01-248-2083
NSN 4140-01-334-9043
NSN 6105-00-946-2959
NSN 5998-01-104-5462
NSN 5895-00-784-0743
NSN 6240-01-562-4891
NSN 5925-01-646-0722
NSN 5855-01-273-6132