Coupling Nut, Material Grade/Class 316, Material Stainless Steel, Finish Plain, Thread Size 1 In. -8, Thread Style Fully Threaded, Hex Width 1 1/4 in, Overall Length 2 1/2 in, Dimensional Standards ASME B 18.2. 2, Material Quality Standards ASTM A276, System of Measurement Inch, Thread Direction Right Hand, Pack Size Small Pack, Sight Hole No. This item has been restricted from sale in the following state (s): []