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 5975-01-582-5533
NSN 6150-01-186-1791
NSN 5855-01-650-9545
NSN 6645-01-152-5207
NSN 6620-00-739-4874
NSN 6220-01-534-6695
NSN 6610-01-023-6073
NSN 6320-01-465-2028
NSN 5905-01-451-2927
NSN 6150-00-812-8145
NSN 5990-01-009-3634
NSN 5985-01-204-8432