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 6135-01-408-0313
NSN 5835-00-470-4295
NSN 6320-01-322-8339
NSN 6645-01-144-8627
NSN 7035-00-286-6221
NSN 5895-01-004-9861
NSN 6130-00-782-0353
NSN 5915-00-872-5199
NSN 5998-01-420-8185
NSN 6620-00-919-6710
NSN 5905-01-358-7301
NSN 6150-01-297-3244