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 6610-01-053-0061
NSN 6135-01-339-4695
NSN 5925-01-569-6755
NSN 5855-00-089-3974
NSN 5905-01-643-5018
NSN 6135-01-398-5922
NSN 6130-00-572-7116
NSN 5960-00-431-8739
NSN 6110-00-488-6306
NSN 6685-01-116-8177
NSN 6610-01-182-9828
NSN 5990-00-060-3062