Manufacturer Part Number: 52591856-100|Nut Type|Hex Lock NutMaterial|SteelThread Size (Inch)|1-1/2-6Thread Size (mm)|Material Grade|2Height (Decimal Inch)|Height (mm)|Height (Inch)|1-39/64Width Across Flats (Decimal Inch)|2.1590 to 2.1970Width Across Flats (Inch)|2-3/16Width Across Flats (mm)|Locking Style|InsertFlange Diameter (Decimal Inch)|Thread Direction|Right HandThread Fit Class|Standards|Insert Material|NylonFastener Standard|UNCMilitary Specification|Does Not Meet Military SpecificationsWidth Across Points (Decimal Inch)|2.4440Width Across Points (mm)|System Of Measurement|InchFinish Coating|ZincAdditional Information|Product Service Code|UNSPSC Code|