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 6645-00-246-4934
NSN 5945-00-664-6668
NSN 5960-01-195-2166
NSN 5975-01-383-2206
NSN 6620-01-401-5356
NSN 5855-00-821-7512
NSN 6135-01-217-8810
NSN 6130-01-331-6879
NSN 5920-01-058-3964
NSN 5895-00-264-2047
NSN 6610-01-179-0116
NSN 6220-00-932-4992