Manufacturer Part Number: HFNI20377-050B|Nut Type|Serrated FlangeMaterial|SteelThread Size|3/8-16Flange Diameter (Inch)|3/4Flange Diameter (Decimal Inch)|Flange Diameter (mm)|Flange Height (Decimal Inch)|0.3470Flange Height|Flange Height|0.3470inFlange 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)|0.5510Maximum Width Across Flats (Decimal Inch)|0.5620Minimum Height (Decimal Inch)|0.3300Minimum Flange Diameter (Decimal Inch)|0.7280Maximum Flange Diameter (Decimal Inch)|0.7500Hardness|Fastener Standard|Width Across Points (mm)|System Of Measurement|InchHeight (mm)|Finish Coating|ZincMaximum Height (Inch)|0.3470Height (Inch)|Type|Serrated Flange NutAdditional Information|Product Service Code|UNSPSC Code|31161712