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 6645-01-322-8431
NSN 7035-01-351-4111
NSN 5950-01-054-3010
NSN 5930-01-546-6171
NSN 5965-01-512-1985
NSN 5950-01-429-6071
NSN 6145-00-833-3419
NSN 5905-01-140-6116
NSN 7035-00-803-3056
NSN 5945-00-132-3042
NSN 5990-01-212-2037
NSN 5999-00-486-0877