Manufacturer Part Number: 305277PS|Nut Type|Hex Jam Lock NutMaterial|SteelThread Size (Inch)|1/2-20Thread Size (mm)|Material Grade|2Height (Decimal Inch)|Height (mm)|Height (Inch)|21/64Width Across Flats (Decimal Inch)|Width Across Flats (Inch)|3/4Width 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|ZincAdditional Information|Product Service Code|UNSPSC Code|