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 6150-01-388-8682
NSN 5925-00-549-9040
NSN 5999-00-416-6638
NSN 5975-00-471-3731
NSN 5930-01-097-2302
NSN 5925-01-112-8473
NSN 6105-01-027-0099
NSN 5975-01-468-6034
NSN 6220-00-149-0977
NSN 5910-00-226-0111
NSN 6110-01-044-4154
NSN 5998-01-010-3217