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 5945-00-257-7229
NSN 5915-01-260-6453
NSN 5905-00-572-3489
NSN 5999-01-229-7731
NSN 6645-01-383-0106
NSN 5895-01-270-0302
NSN 5950-00-465-0378
NSN 5999-00-914-1774
NSN 6650-01-644-3532
NSN 6130-01-442-8759
NSN 5925-01-185-1390
NSN 5835-01-436-6549