Manufacturer Part Number: JN-135-A|Accessory Type|Jaw NutProduct Compatibility|5 in Kitagawa ChuckMaterial|Chuck Diameter Compatibility (mm)|Chuck Diameter Compatibility (Decimal Inch)|5.0000Thread Size|5/16-18Screw Size (mm)|Screw Size (Inch)|5/16Screw Size (Decimal Inch)|Mount Type|Outside Diameter (mm)|Outside Diameter (Decimal Inch - 4 Decimals)|Outside Diameter (Inch)|Serration Dimensions|0.0591 x 60 degrees; 1.5 mm x 60 degreesDistance Between Mount Hole Centers (Decimal Inch)|0.7080Distance Between Mount Hole Centers (mm)|Groove Width (Decimal Inch)|0.3940Product Length (Decimal Inch)|Product Length (Inch)|1-3/16Product Width (Inch)|Product Height (mm)|Req'd # of Studs for Chuck|Product Height (Inch)|0.6120Product Width/Diameter (Decimal Inch)|0.5500Number Of Pieces|3Distance Between Mount Holes (Fractional Inch)|UNSPSC Code|