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 6135-01-398-5922
NSN 6130-01-026-0603
NSN 5998-00-153-1378
NSN 6130-01-534-1543
NSN 5855-01-645-5384
NSN 5935-01-361-1201
NSN 6130-00-102-7376
NSN 6130-01-195-7626
NSN 5999-00-388-0584
NSN 5950-01-027-0695
NSN 5835-00-744-1277
NSN 4140-00-542-4611