Packing Nitrile
No failure report names the packing nitrile. 4 FAA approvals let 1 company make a replacement packing nitrile, Mitchell Pma, LLC holding the most (4).
Approved replacement parts 4 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a packing nitrile and sell it as an approved part for the models named. These are the companies holding such approvals for a packing nitrile:
For these models most: Boeing 737 (4), Boeing 777 (2), Boeing 757 (2), Boeing 747 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Mitchell Pma, LLC | Packing-Nitrile RS900J016MIT | RS900J016, RS900BS016 | The Boeing Company 737-8200 | 2026-01-26 | current |
| Mitchell Pma, LLC | Packing-Nitrile RS900J022MIT | RS900J022, RS900BS022 | The Boeing Company 737-8200 | 2026-01-26 | current |
| Mitchell Pma, LLC | Packing–Nitrile RS900J016MIT | RS900J016, Supersedes: RS900BS016 | The Boeing Company 737-300 Series, 737-400 Series,... | 2025-03-06 | current |
| Mitchell Pma, LLC | Packing–Nitrile RS900J022MIT | RS900J022, Supersedes: RS900BS022 | The Boeing Company 737-100 Series, 737-200 Series,... | 2025-03-06 | 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.