Request For Price Alternate Part NumberPart NameReplaced PNQuanityMaterial Condition S1635-20059 Main Shaft and Plug Assy., Transmission System-Main Transmission S1635-20059 Factory New New Unused Surplus Overhauled Used Any Aircraft Models Sikorsky (S-58A, B, S-58C, D, S-58E, F, S-58G, H, S-58DT, S-58ET, S-58HT, S-58JT) 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.