Manufacturer Part Number: -31220-11/4|Nut Type|Hex Nut Profile|Material|SteelThread Direction|Right HandThread Size (Inch)|1-1/4-12Thread Size (mm)|Material Grade|5Finish Coating|Clear ZincWidth Across Flats (mm)|Width Across Flats (Inch)|1-7/8Width Across Flats (Decimal Inch)|1.8750Thread Standard|UNFThread Fit Class|Hardness|Military Specification|Does Not Meet Military SpecificationsHeight (Inch)|Height (mm)|Height (Decimal Inch)|1.0940Fastener Standard|Width Across Points (Decimal Inch)|Width Across Points (mm)|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|31161727