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 5855-00-494-9581
NSN 6610-01-464-9729
NSN 5965-01-585-7808
NSN 5935-01-443-3959
NSN 6220-01-481-1105
NSN 6110-01-394-5302
NSN 6610-01-371-3006
NSN 6135-00-816-9052
NSN 6610-00-343-9331
NSN 5910-00-660-9203
NSN 5985-01-518-0768
NSN 5915-01-459-8059