bobbyt18 - This spindle is only used on the American Standard R800 Deck Mounted Tub filler valve. We cannot provide more details as this is specific to one valve and cannot be used in other applications.
Soninlaw, Please contact us directly through the American Standard website “Contact Us” located at the bottom of our home page. We can help you identify your American Standard faucet and recommend the correct repair parts. Your American Standard Customer Connection Team
Please contact us directly through the American Standard website "Contact Us" located at the bottom of our home page so we can assist you.