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 5910-01-277-4120
NSN 6320-01-377-5701
NSN 5950-01-658-2064
NSN 6105-00-445-6579
NSN 5999-01-428-9327
NSN 5996-00-161-0148
NSN 6105-01-129-8826
NSN 6610-01-418-5787
NSN 5855-01-258-6180
NSN 5965-01-415-9196
NSN 4140-01-123-6066
NSN 6145-00-327-4770