Manufacturer Part Number: KP66142|Nut Type|Hex Lock NutMaterial|SteelThread Size (Inch)|5/16-24Thread Size (mm)|Material Grade|CHeight (Decimal Inch)|Height (mm)|Height (Inch)|Width Across Flats (Decimal Inch)|Width Across Flats (Inch)|Width Across Flats (mm)|Locking Style|Distorted ThreadFlange Diameter (Decimal Inch)|Thread Direction|Right HandThread Fit Class|Standards|Insert Material|Fastener Standard|UNFMilitary Specification|Does Not Meet Military SpecificationsWidth Across Points (Decimal Inch)|Width Across Points (mm)|System Of Measurement|InchFinish Coating|Zinc-Plated with WaxAdditional Information|Product Service Code|UNSPSC Code|