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 5925-00-785-2675
NSN 2925-00-845-1480
NSN 6610-01-525-7266
NSN 5945-00-111-1934
NSN 4140-00-591-6315
NSN 6650-01-417-9115
NSN 6650-01-256-6566
NSN 6145-01-406-3387
NSN 2925-01-341-7423
NSN 5950-00-823-7799
NSN 6145-00-403-6495
NSN 6645-01-147-4603