Washer Lock
No failure report names the washer lock. 14 FAA approvals let 8 companies make a replacement washer lock, Aviation Materials Management INC holding the most (4).
Approved replacement parts 14 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a washer lock and sell it as an approved part for the models named. These are the companies holding such approvals for a washer lock:
For these models most: Boeing 737 (10), Boeing 777 (1), Boeing 757 (1), Boeing 727 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Jet Avion Corporation A Heico Aerospace Company | Washer-Lock 315A1833-1JA | 315A1833-1 | The Boeing Company 737-8 | 2026-09-18 | current |
| Cobalt Engineering and Manufacturing LLC | Washer-Lock 3018981CEM | 3018981 | Pratt and Whitney Canada JT15D-1, -1A, -1B | 2023-11-20 | current |
| Jet Parts Engineering INC | Washer – Lock 293W2515JP-1 | 293W2515-1 | Boeing 777F Series | 2022-02-07 | current |
| Jet Avion Corporation A Heico Aerospace Company | Washer-Lock 315A1833-1JA | Boeing P/N 315A1833-1 | Boeing 737-600 Series, 737-700 Series,... | 2016-12-11 | current |
| Aviation Materials Management, INC | Washer-Lock 69-36621-1 | 69-36621-1 | Boeing 737-100 Series, 737-200 Series,... | 2015-02-12 | current |
| Aviation Materials Management, INC | Washer-Lock 69-41249-1 | 69-41249-1 | Boeing 737-100 Series, 737-200 Series,... | 2015-02-12 | current |
| Aviation Materials Management, INC. | Washer-Lock 69-36621-1 | 69-36621-1 | Boeing 737-100 Series, 737-200 Series,... | 2014-09-04 | current |
| Aviation Materials Management, INC. | Washer-Lock 69-41249-1 | 69-41249-1 | Boeing 737-100 Series, 737-200 Series,... | 2014-09-04 | current |
| Aviation Materials Management INC | Washer-Lock 69-36621-1 | 69-36621-1 | Boeing 737-100 Series, 737-200 Series,... | 2013-02-27 | current |
| Aviation Materials Management INC | Washer-Lock 69-41249-1 | 69-41249-1 | Boeing 737-100 Series, 737-200 Series,... | 2013-02-27 | current |
| Air Spares INC | WASHER-LOCK 66-15468-1 | 66-15468-1 | Boeing 727-200 SERIES | 2010-05-13 | current |
| Aviation Materials Management INC | Washer-Lock 69-41249-1 | 69-41249-1 | Boeing 737-100 Series, 737-200 Series,... | 2006-08-24 | current |
| Aviation Materials Management INC | Washer-Lock 69-36621-1 | 69-36621-1 | Boeing 737-100 Series, 737-200 Series,... | 2006-08-24 | current |
| Sun Air Parts | Washer-Lock Prop Shaft Plug SAP29921 | Pratt & Whitney 29921 | Pratt & Whitney R-1340 Wasp Series, S3H1, S1H1 | 1997-07-22 | 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.