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 5910-01-485-1034
NSN 5998-00-163-9742
NSN 6320-01-532-7491
NSN 5920-01-115-7902
NSN 5999-00-759-0901
NSN 6650-01-069-4335
NSN 5855-01-557-9470
NSN 5998-00-526-9253
NSN 6110-01-515-9937
NSN 6645-01-656-6416
NSN 6240-01-470-1111
NSN 5895-01-202-8748