Jam Nut, Hex Type Jam Hex, Finish Plain, Material Stainless Steel, Material Grade/Class 18-8, Thread Size 1 1/2 In.-6, Hex Width 2 7/32 in, Hex Height 7/8 in, Dimensional Standards ASME B18.2.2, System of Measurement Inch, Thread Direction Right Hand, Pack Size Small Pack, Thread Type Coarse