Manufacturer Part Number: R52001270|Nut Type|Serrated FlangeMaterial|SteelThread Size|5/8-11Flange Diameter (Inch)|Flange Diameter (Decimal Inch)|1.2810Flange Diameter (mm)|Flange Height (Decimal Inch)|0.5690Flange Height|Flange Height|0.5690inFlange Height (mm)|Nut Height (mm)|Nut Height (Decimal Inch)|Material Grade|2Thread Direction|Width Across Flats (Inch)|Width Across Flats (mm)|Width Across Flats (Decimal Inch)|Thread Standard|Thread Fit Class|Standards|Minimum Width Across Flats (Decimal Inch)|0.9220Maximum Width Across Flats (Decimal Inch)|0.9380Minimum Height (Decimal Inch)|0.5450Minimum Flange Diameter (Decimal Inch)|1.2480Maximum Flange Diameter (Decimal Inch)|1.2810Hardness|78-90 HR15NFastener Standard|Width Across Points (mm)|System Of Measurement|InchHeight (mm)|Finish Coating|ZincMaximum Height (Inch)|0.5690Height (Inch)|Type|Serrated Flange NutAdditional Information|Product Service Code|UNSPSC Code|31161712