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 6110-01-551-3673
NSN 6610-00-343-9331
NSN 4140-01-173-6697
NSN 6145-01-065-2692
NSN 6620-01-418-9409
NSN 5996-01-573-9918
NSN 5915-01-503-0155
NSN 6105-00-193-1662
NSN 5925-01-604-1113
NSN 6320-01-414-4568
NSN 5835-01-615-0451
NSN 5985-00-066-4546