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 6320-00-483-0451
NSN 5920-01-293-6530
NSN 4140-00-255-2458
NSN 2925-01-411-4666
NSN 6105-00-764-6483
NSN 5905-01-237-2439
NSN 6610-01-483-9810
NSN 6645-01-629-9657
NSN 5855-01-421-7691
NSN 5945-01-011-3328
NSN 5930-01-550-8276
NSN 5975-01-484-5131