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 5920-01-088-8312
NSN 6645-01-346-4505
NSN 6110-01-462-6013
NSN 5855-01-582-3974
NSN 5965-01-406-6320
NSN 5945-01-174-9981
NSN 5920-01-032-6471
NSN 5950-01-077-3728
NSN 6320-01-157-9076
NSN 5895-01-386-3049
NSN 5960-01-131-4086
NSN 6220-00-262-7863