Manufacturer Part Number: 36781|Nut Type|Material|SteelThread Size (Inch)|5/16-18Thread Size (mm)|Material Grade|9Height (Decimal Inch)|0.263000Height (mm)|Height (Inch)|Width Across Flats (Decimal Inch)|Width Across Flats (Inch)|1/2Width Across Flats (mm)|Locking Style|Flange Diameter (Decimal Inch)|Thread Direction|Right HandThread Fit Class|Standards|Insert Material|Fastener Standard|Military Specification|Width Across Points (Decimal Inch)|Width Across Points (mm)|System Of Measurement|InchFinish Coating|Cadmium; WaxedAdditional Information|Product Service Code|UNSPSC Code|31161716