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 6150-01-522-6026
NSN 4140-00-625-3920
NSN 6135-01-551-0562
NSN 6220-01-487-3904
NSN 6240-00-244-0483
NSN 5835-01-317-8700
NSN 5930-01-162-5650
NSN 6135-01-255-4786
NSN 6645-00-565-1569
NSN 7035-01-235-6023
NSN 6130-00-153-3136
NSN 6130-01-432-2415