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 5835-01-565-3411
NSN 6320-00-115-0883
NSN 6650-01-227-1632
NSN 5975-01-613-1912
NSN 6610-01-608-2899
NSN 5920-00-917-1869
NSN 5910-01-473-2905
NSN 5999-01-217-0042
NSN 5925-01-016-4069
NSN 6610-00-664-2190
NSN 4140-00-289-9263
NSN 5895-01-359-2992