Lock Nut, Nut Style Nylon Insert Lock Nut, System of Measurement Inch, Steel, Fastener Finish Zinc Plated, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Dia./Thread Size 3/8 In.-16, Material Grade Grade 2, Width Across Flats 9/16 in, Nut Height 15/32 in, Nut Standards ASME B18.16.6, Locknut Series NE - Regular Lock Nut, Package Quantity 50 Package of 10.
eBay