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 5975-00-926-3073
NSN 7035-01-411-6062
NSN 6110-00-560-6990
NSN 6320-00-300-5556
NSN 4140-01-260-8106
NSN 5965-01-419-0112
NSN 4140-00-311-6329
NSN 6685-01-536-9705
NSN 5950-00-725-2946
NSN 5930-01-429-8443
NSN 5915-00-926-8126
NSN 6105-01-209-6888