Lock Nut, Finish NL-19, Material Stainless Steel, Material Grade/Class 316, Thread Size #10-32, Hex Width 3/8 in, Hex Height 7/32 in, Lock Type Serrated, Dimensional Standards ASME B18.2.2, Material Quality Standards ASTM B18.2.2, System of Measurement Inch, Hex Type Flange Hex, Thread Direction Right Hand, Flange Diameter 0.375 in, Pack Size Small Pack, Package Quantity 25