Manufacturer Part Number: B52001666|Nut Type|Heavy Hex Lock NutMaterial|SteelThread Size (Inch)|1-1/2-6Thread Size (mm)|Material Grade|2Height (Decimal Inch)|Height (mm)|Height (Inch)|1-59/64Width Across Flats (Decimal Inch)|2.3440 to 2.3840Width Across Flats (Inch)|2-3/8Width 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)|2.6220Width Across Points (mm)|System Of Measurement|InchFinish Coating|ZincAdditional Information|Product Service Code|UNSPSC Code|31161716