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 6145-00-752-2562
NSN 6110-01-171-7348
NSN 5950-01-186-9691
NSN 6620-01-494-9858
NSN 5999-00-788-0301
NSN 6105-01-240-7070
NSN 5975-01-477-2033
NSN 5975-01-243-1108
NSN 6240-01-212-7053
NSN 5965-01-421-7273
NSN 6105-01-544-5601
NSN 6320-01-567-9792