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 6110-00-912-5651
NSN 5990-01-514-8708
NSN 6110-01-442-6361
NSN 5998-00-264-8944
NSN 5910-01-353-0738
NSN 5999-01-317-9976
NSN 6620-01-168-8450
NSN 5965-01-037-8333
NSN 6240-01-519-0507
NSN 6105-01-263-8425
NSN 6685-01-113-2514
NSN 5950-01-178-8458