Coupling Nut Material Grade/Class 18-8 Material Stainless Steel Finish Plain Thread Size 5/16 In.-24 Thread Style Fully Threaded Hex Width 1/2 in Overall Length 7/8 in Dimensional Standards ASME B18.2.2 Material Quality Standards ASTM A582 System of Measurement Inch Thread Direction Right Hand Pack Size Small Pack Package Quantity 5