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 6130-01-299-9893
NSN 6620-00-399-0087
NSN 5935-01-531-4461
NSN 6105-00-394-6803
NSN 5990-01-332-3623
NSN 6105-01-038-4084
NSN 5998-00-076-9661
NSN 5999-00-334-0136
NSN 6150-01-291-4877
NSN 6650-00-740-7338
NSN 5975-01-408-6643
NSN 5950-01-050-2635