Manufacturer Part Number: KN-731|Nut Type|Head Type|Round KnurledMaterial|Thread Size|5/16 - 18Overall Height|Finish|Black OxideThread Standard|UNCMaterial Grade|Base Height|Torque Hole Diameter|Thread Direction|Thread Depth|Finish/Coating|Black OxideStandards|Head Diameter (Decimal Inch)|Head Diameter (Inch)|1-1/8Head Diameter (mm)|Overall Height (mm)|Overall Height (Decimal Inch)|Overall Height (Inch)|3/4Head Height (Decimal Inch)|Base Diameter (Decimal Inch)|Base Diameter (Inch)|Base Height (Inch)|PSC Code|UNSPSC Code|