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 5990-01-586-8202
NSN 5895-01-495-1630
NSN 6610-00-107-1944
NSN 5990-01-393-4808
NSN 5920-01-020-7659
NSN 6620-01-413-1951
NSN 6220-01-152-2637
NSN 6320-00-731-6134
NSN 5925-01-627-4505
NSN 5965-01-624-8569
NSN 5895-01-350-2772
NSN 5998-01-167-2956