Request For Price Alternate Part NumberPart NameReplaced PNQuanityMaterial Condition 30550-400 Coupling, Titanium 6-4 with Baulk-Tab STD Profile Pratt and Whitney P/N 56T548 Factory New New Unused Surplus Overhauled Used Any Aircraft Models Pratt & Whitney (PW4074 PW4077 PW4084 PW4090) 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.