Coupling Nut, Material Grade/Class 18-8, Material Stainless Steel, Finish NL-19, Thread Size #6-32, Thread Style Fully Threaded, Hex Width 5/16 in, Overall Length 1/2 in, Dimensional Standards ASME B 18.16. 6, System of Measurement Inch, Thread Direction Right Hand, Pack Size Small Pack, Sight Hole No, Package Quantity 10. This item has been restricted from sale in the following state (s): []