Cup Lock
No failure report names the cup lock. 10 FAA approvals let 4 companies make a replacement cup lock, Aviation Materials Management INC holding the most (4).
Approved replacement parts 10 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a cup lock and sell it as an approved part for the models named. These are the companies holding such approvals for a cup lock:
For these models most: Boeing 737 (9), Boeing 767 (1), Boeing 757 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Aviation Materials Management, INC | CUP LOCK WASHER 66-12156-3 | 66-12156-3 | Boeing 757-200 SERIES, 757-200CB SERIES,... | 2021-03-24 | current |
| Aviation Materials Management, INC | Cup Lock Washer 273A2207-1 | 273A2207-1 | Boeing 737-600 Series, 737-700 Series,... | 2015-02-12 | current |
| Aviation Materials Management, INC | Cup Lock Washer 273A1117-1 | 273A1117-1 | Boeing 737-600 Series, 737-700 Series,... | 2015-02-12 | current |
| Aviation Materials Management, INC. | Cup Lock Washer 273A2207-1 | 273A2207-1 | Boeing 737-600 Series, 737-700 Series,... | 2014-09-04 | current |
| Aviation Materials Management, INC. | Cup Lock Washer 273A1117-1 | 273A1117-1 | Boeing 737-600 Series, 737-700 Series,... | 2014-09-04 | current |
| Aviation Materials Management INC | Cup Lock Washer 273A1117-1 | 273A1117-1 | Boeing 737-600 Series, 737-700 Series,... | 2013-03-24 | current |
| Aviation Materials Management INC | Cup Lock Washer 273A2207-1 | 273A2207-1 | Boeing 737-600 Series, 737-700 Series,... | 2013-02-26 | current |
| Aviation Materials Management INC | Cup Lock Washer 273A2207-1 | 273A2207-1 | Boeing 737-600 Series, 737-700 Series,... | 2010-10-05 | current |
| Spirit Aerosystems INC | CUP LOCK WASHER 273A2207-1 | 273A2207-1 | Boeing 737-600 SERIES, 737-700 SERIES,... | 2010-09-13 | current |
| Aviation Materials Management INC | Cup Lock Washer 273A1117-1 | 273A1117-1 | Boeing 737-600 Series, 737-700 Series,... | 2010-08-08 | 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.