Manufacturer Part Number: R52001583|Nut Type|Hex Lock NutMaterial|SteelThread Size (Inch)|1-1/8-12Thread Size (mm)|Material Grade|8Height (Decimal Inch)|Height (mm)|Height (Inch)|1-11/64Width Across Flats (Decimal Inch)|Width Across Flats (Inch)|1-5/8Width Across Flats (mm)|Locking Style|InsertFlange Diameter (Decimal Inch)|Thread Direction|Right HandThread Fit Class|Standards|Insert Material|NylonFastener Standard|UNFMilitary Specification|Does Not Meet Military SpecificationsWidth Across Points (Decimal Inch)|Width Across Points (mm)|System Of Measurement|InchFinish Coating|Yellow Zinc DichromateAdditional Information|Product Service Code|UNSPSC Code|31161716