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 5945-01-528-8018
NSN 5855-00-951-6483
NSN 5985-01-383-3632
NSN 5935-00-140-4005
NSN 6135-01-219-8612
NSN 6650-00-539-7298
NSN 6145-01-289-0732
NSN 4140-00-103-0065
NSN 5920-01-415-1733
NSN 6320-01-512-2031
NSN 6220-00-007-5973
NSN 6650-00-302-3707