Lock Nut, Nut Style Nylon Insert Lock Nut, System of Measurement Inch, Stainless Steel, Fastener Finish Plain, Fastener Thread Direction Right Hand, Fastener Thread Type UNF (Fine), Dia. /Thread Size 3/8 In. -24, Material Grade 18-8, Width Across Flats 9/16 in, Nut Height 29/64 in, Nut Standards ASME B 18.16. 6, Locknut Series NE - Regular Lock Nut, Package Quantity 50. This item has been restricted from sale in the following state (s): []