Manufacturer Part Number: THN5002M07F16|Nut Type|Thumb NutHead Type|Round KnurledMaterial|Stainless SteelThread Size|#4 - 40Overall Height|Finish|UncoatedThread Standard|UNC; UNFMaterial Grade|302; 303Base Height|Torque Hole Diameter|Thread Direction|Thread Depth|Finish/Coating|UncoatedStandards|QQ-S-763Head Diameter (Decimal Inch)|0.3125; 7.94Head Diameter (Inch)|5/16Head Diameter (mm)|7.94Overall Height (mm)|6.35Overall Height (Decimal Inch)|0.2500Overall Height (Inch)|1/4Head Height (Decimal Inch)|Base Diameter (Decimal Inch)|0.25Base Diameter (Inch)|Base Height (Inch)|PSC Code|UNSPSC Code|