Request For Price Alternate Part NumberPart NameReplaced PNQuanityMaterial Condition AIR22027 Rider Ring Hamilton Standard 790254-1 and Hamilton Standard 790254-2, Rider Ring Factory New New Unused Surplus Overhauled Used Any Aircraft Models General Electric (CF6-80A when Hamilton Standard Shutoff Valve, P/N 773857 or P/N 802157-1, -2, -3 are installed, CF6-80C2 when Hamilton Standard Shutoff Valve 790270-1, -2, -3, -4, -5, -6, -7, -8 or 802170-1, -2, -3, or -4 are installed.),Pratt & Whitney (JT9D when Hamilton Standard Shutoff Valve, P/N 773857 or P/N 802157-1, -2, -3 are installed, PW4000 when Hamilton Standard Shutoff Valve 790270-1, -2, -3, -4, -5, -6, -7, -8 or 802170-1, -2, -3, -4 are installed.) Company Name First Name * Last Name * Email * Phone Number * Notes Sales Order T&CPrivacy Policy Send Request Please note that by requesting pricing, you are accepting our Sales Order T&C and Privacy Policy. For more information, please follow the links under the policy menu below.