Hex Nut, Nut Style Hex Nut, System of Measurement Inch, Stainless Steel, Material Grade 316, Fastener Finish Plain, Fastener Thread Direction Right Hand, Dia./Thread Size 1/2 In.-13, Fastener Thread Type UNC, Width Across Flats 3/4 In., Nut Height 29/64 In., Nut Standards ASME B18.2.2, CALBRITE P/N S60500HN00