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 6240-01-591-1357
NSN 5945-01-634-0588
NSN 6130-01-127-7304
NSN 5855-00-494-9581
NSN 6150-01-525-8374
NSN 6145-01-067-8419
NSN 5975-01-067-9134
NSN 6130-00-460-2837
NSN 5985-00-992-6981
NSN 5975-00-224-8756
NSN 5965-01-221-0569
NSN 5910-00-244-7530