Manufacturer Part Number: 42202G|Nut Type|Hex Nut Profile|Material|Alloy SteelThread Direction|Right HandThread Size (Inch)|5/16-18Thread Size (mm)|Material Grade|2Finish Coating|Black OxideWidth Across Flats (mm)|Width Across Flats (Inch)|9/16Width Across Flats (Decimal Inch)|0.5625Thread Standard|UNCThread Fit Class|Hardness|Military Specification|Does Not Meet Military SpecificationsHeight (Inch)|13/64Height (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|