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 5975-01-510-3251
NSN 5915-01-202-8426
NSN 7035-01-576-9617
NSN 6105-01-472-8905
NSN 6650-01-537-2624
NSN 5935-01-372-1065
NSN 6620-01-597-0512
NSN 6220-00-155-4524
NSN 6105-01-188-7292
NSN 6650-01-445-5394
NSN 6150-01-391-6854
NSN 6620-01-166-1866