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 6620-01-477-3720
NSN 6650-00-601-8944
NSN 5935-01-485-0286
NSN 6220-01-107-5584
NSN 5910-01-550-9709
NSN 6645-01-185-5460
NSN 5895-01-188-8820
NSN 5910-01-188-6858
NSN 5950-00-340-3926
NSN 6650-01-633-9147
NSN 5999-00-989-2882
NSN 6150-01-572-8878