Lock Nut, Finish Plain, Material Stainless Steel, Material Grade/Class 18-8, Thread Size 7/8 In.-9, Hex Width 1 7/16 in, Hex Height 1 in, Lock Type Nylon Insert, Dimensional Standards ASME B18.16.6, System of Measurement Inch, Hex Type Heavy Jam Hex, Thread Direction Right Hand, Pack Size Small Pack, Package Quantity 5