<p>Mil Spec Washer, Stainless Steel, Inch, Washer Material Grade 18-8, Fastener Finish Plain, Fits Bolt Sizes 1/4 In., Washer Inside Dia. 5/16 In., Washer Outside Dia. 47/64 In., Thickness 0.051 In. to 0.080 In., Radius -, Rockwell Hardness B70, Washer Standards MS15795, Package Quantity 50</p> <p><br /><b>Features</b></p> <ul> <li>Item: Mil Spec Washer</li> <li>Fits Bolt Sizes: 1/4&quot;</li> <li>Thickness: 0.051&quot; to 0.080&quot;</li> <li>Rockwell Hardness: B70</li> <li>Package Weight: 0.15</li> <li>System of Measurement: Inch</li> <li>Fastener Finish: Plain</li> <li>Flat Washer Type: Military Specification Flat Washer</li> <li>Washer Inside Dia.: 5/16&quot;</li> <li>Washer Material Grade: 18-8</li> <li>Washer Outside Dia.: 47/64&quot;</li> <li>Washer Basic Material: Stainless Steel</li> <li>Washer Standards: MS15795</li> </ul> <p></p>