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 6610-00-689-9457
NSN 5998-00-855-8954
NSN 6650-01-472-5028
NSN 6650-01-292-2963
NSN 5835-01-398-3859
NSN 6320-01-209-0952
NSN 6645-01-234-0222
NSN 6240-00-006-3725
NSN 2925-01-385-6661
NSN 5935-01-648-5252
NSN 6650-01-650-5181
NSN 5835-01-328-6626