The U.S. aircraft register, updated daily
Parts

Pipe Propeller

No failure report names the pipe propeller. 1 FAA approvals let 1 company make a replacement pipe propeller, Sun Air Parts holding the most (1).

Approved replacement parts 1 parts manufacturer approvals

A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a pipe propeller and sell it as an approved part for the models named. These are the companies holding such approvals for a pipe propeller:

MakerPartReplacesFitsGrantedStatus
Sun Air PartsPipe Propeller Oil Feed SAP26250Pratt & Whitney 26250Pratt & Whitney R-1340 Wasp Series S3H1 and S1H1 only1997-08-27current

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.