Manufacturer Part Number: UM010AG1F001560|Nut Type|Hex NutHex Nut Profile|Material|SteelThread Direction|Left HandThread Size (Inch)|5/8-8Thread Size (mm)|Material Grade|Finish Coating|Width Across Flats (mm)|Width Across Flats (Inch)|1-1/16Width Across Flats (Decimal Inch)|1.0625Thread Standard|AcmeThread Fit Class|2GHardness|Military Specification|Does Not Meet Military SpecificationsHeight (Inch)|39/64Height (mm)|Height (Decimal Inch)|Fastener Standard|Width Across Points (Decimal Inch)|Width Across Points (mm)|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|31161727