Manufacturer Part Number: UM020AG1F003040|Nut Type|Hex NutHex Nut Profile|Material|SteelThread Direction|Left HandThread Size (Inch)|1-1/4-4Thread Size (mm)|Material Grade|1215; 12L14Finish Coating|Width Across Flats (mm)|Width Across Flats (Inch)|2Width Across Flats (Decimal Inch)|2.0000Thread Standard|AcmeThread Fit Class|2GHardness|Military Specification|Does Not Meet Military SpecificationsHeight (Inch)|1-7/32Height (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