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 5985-00-179-8956
NSN 4140-01-624-0444
NSN 6220-01-161-6439
NSN 5996-01-037-5778
NSN 4140-01-141-4473
NSN 6135-00-080-9176
NSN 6320-01-476-7702
NSN 5905-01-244-0755
NSN 5945-01-485-2402
NSN 6645-01-576-9896
NSN 6650-01-355-7348
NSN 4140-00-232-1039