Metal Seal
No failure report names the metal seal. 8 FAA approvals let 5 companies make a replacement metal seal, Approved Air Parts CO INC holding the most (3).
Approved replacement parts 8 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a metal seal and sell it as an approved part for the models named. These are the companies holding such approvals for a metal seal:
For these models most: Airbus A321 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Ram Aerospace | Metal C-Seal 60-11243 | 60-11243 | Pratt & Whitney Canada Corp. PW305A, PW305B, PW306A | 2026-08-04 | current |
| Ram Aerospace | Metal C-Seal 60-11243-1 | 60-11243-1 | Pratt & Whitney Canada Corp. PW305A, PW305B, PW306A | 2026-08-04 | current |
| Aviation Component Solutions | Metal Seal P01609 | 6774-26 | Airbus SAS A321-271NX | 2025-11-24 | current |
| Approved Air Parts CO INC | Metal Seal Ring AAP-7046M74P02 | Whittaker Controls P/N 7046M74P02 | CFM International S.A. CFM56-2, CFM56-2A, CFM56-2B | 2023-10-17 | current |
| Approved Air Parts CO INC | Metal Seal Ring AAP-7036M78P33 | Whittaker Controls P/N: 7036M78P33 | CFM International S.A. CFM56-2, CFM56-2A, CFM56-2B | 2023-10-17 | current |
| Approved Air Parts CO INC | Metal Seal Ring AAP-7046M74P01 | Whittaker Controls P/N 7046M74P01 | CFM International S.A. CFM56-2, CFM56-2A, CFM56-2B | 2023-10-17 | current |
| Aaxico Technical Services | Metal Seal Ring FK12981ATS | Rolls Royce FK12981 | Rolls Royce RB211-535E4-37, RB211-535E4-B-37 | 2012-07-22 | current |
| Combustion Technologies | Metal Seal Ring P/N ASC246741 | - | Pratt & Whitney JT-3D, -1, -1A | 1988-05-23 | current |
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.