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 6610-01-660-3966
NSN 5925-01-429-0392
NSN 5950-00-372-4492
NSN 5925-01-608-1522
NSN 6130-01-193-8992
NSN 5945-01-625-5918
NSN 6145-00-909-0614
NSN 5999-01-438-8997
NSN 5999-01-029-0987
NSN 6105-01-565-2948
NSN 5910-01-513-1123
NSN 5925-00-855-3385