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 5920-01-195-7563
NSN 5920-01-658-8794
NSN 5930-01-464-5275
NSN 5945-00-912-0165
NSN 5975-01-189-5818
NSN 5950-01-076-1821
NSN 5945-01-230-7971
NSN 4140-00-911-1485
NSN 6135-01-265-1384
NSN 5855-00-310-2740
NSN 6320-01-383-9979
NSN 5895-01-408-5606