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 6685-00-506-0090
NSN 5999-01-142-7906
NSN 5996-01-284-7758
NSN 6150-01-051-3497
NSN 6220-00-519-5617
NSN 5945-01-440-8273
NSN 5996-01-552-0480
NSN 5920-00-212-7505
NSN 5975-00-598-0159
NSN 6320-01-600-5808
NSN 6645-00-708-8569
NSN 5835-01-085-4300