Manufacturer Part Number: 30638|Nut Type|Hex Lock NutMaterial|Stainless SteelThread Size (Inch)|1/2-13Thread Size (mm)|Material Grade|Height (Decimal Inch)|Height (mm)|Height (Inch)|19/32Width Across Flats (Decimal Inch)|0.7410 to 0.7520Width 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|UNCMilitary Specification|Does Not Meet Military SpecificationsWidth Across Points (Decimal Inch)|0.8370Width Across Points (mm)|System Of Measurement|InchFinish Coating|Bright/UncoatedAdditional Information|Product Service Code|UNSPSC Code|31161716