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 6320-00-186-6452
NSN 6130-01-647-8588
NSN 6685-01-280-5181
NSN 6220-01-542-4180
NSN 6220-00-169-2567
NSN 5990-00-412-4411
NSN 5930-01-314-9792
NSN 6650-00-789-8179
NSN 5960-01-416-6187
NSN 5965-01-061-6871
NSN 5985-01-386-1605
NSN 5985-01-193-7969