The U.S. aircraft register, updated daily
Parts

Bellows Seal

0 failure reports named the bellows seal in the last ten years, 2 since 1995. 4 FAA approvals let 3 companies make a replacement bellows seal, Eaton Aerospace, Conveyance Systems Division Centurion Mechanical Seals holding the most (2).

Reports by year

000111199511997
Reports by year, as a table
reports
19951
19971

Approved replacement parts 4 parts manufacturer approvals

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

For these models most: Boeing 727 (1), Airbus A330 (1), Airbus A321 (1), Airbus A320 (1), Airbus A319 (1).

MakerPartReplacesFitsGrantedStatus
Wencor, LLCBellows Seal 3827268-1WE3827268-1Airbus SAS A319-151N, A319-153N, A319-171N2025-10-30current
Eaton Aerospace, Conveyance Systems Division Centurion Mechanical SealsBellows Seal Assembly P48000657867Pratt & Whitney JT9D-3A, JT9D-7, JT9D-7A2013-08-07current
Eaton Aerospace, Conveyance Systems Division Centurion Mechanical SealsBellows Seal Assembly P47997657865Pratt & Whitney JT9D-3A, JT9D-7, JT9D-7A2013-08-07current
Purosil, Division of Burke RubberBellows Seal Fuslg 600-414Dee Howard Aircraft Co QF3610354-1Boeing 727-22C, -25C, -27C1994-10-17current

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.