Manufacturer Part Number: 212609|Nut Type|Hex Nut Profile|Material|SteelThread Direction|Left HandThread Size (Inch)|5/16-24Thread Size (mm)|Material Grade|5Finish Coating|Clear ZincWidth Across Flats (mm)|Width Across Flats (Inch)|1/2Width Across Flats (Decimal Inch)|0.5000Thread Standard|UNFThread Fit Class|Hardness|Military Specification|Does Not Meet Military SpecificationsHeight (Inch)|Height (mm)|Height (Decimal Inch)|0.1875Fastener Standard|Width Across Points (Decimal Inch)|Width Across Points (mm)|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|31161727