Nut Shank
No failure report names the nut shank. 8 FAA approvals let 2 companies make a replacement nut shank, Arconic Fastening Systems & Rings holding the most (4).
Approved replacement parts 8 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a nut shank and sell it as an approved part for the models named. These are the companies holding such approvals for a nut shank:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Arconic Fastening Systems & Rings | Nut Shank PK53102-5 | General Electric P/N 1499M43P02 | CFM International CFM56-2, -3 series | 2016-10-31 | current |
| Arconic Fastening Systems & Rings | Nut Shank PK50226-4-2 | General Electric P/N 9173M41P09 | GE Engine CF6-6D, -6K, -45A | 2016-10-31 | current |
| Arconic Fastening Systems & Rings | Nut Shank PK52473-4 | General Electric P/N 1327M36P02 | GE Engine CF6-80C2 series | 2016-10-31 | current |
| Arconic Fastening Systems & Rings | Nut Shank PK51790-6 | General Electric P/N 9514M86P02 | CFM International CFM56-2, -3 series | 2016-10-31 | current |
| Alcoa Fastening Systems | Nut-Shank K56106-4 | 9114M97P08 | CFM International CFM56-2, -2A, -2B | 2005-03-16 | current |
| Alcoa Fastening Systems | Nut-Shank PK52259-632 | General Electric 9528M55P06 | CFM International CFM56-2A, -2B, -2-C | 2000-08-21 | current |
| Alcoa Fastening Systems | Nut- Shank PK52671-6 | General Electric 1319M20P01 | CFM International CFM56-5A, -5B, -7B | 2000-08-21 | current |
| Alcoa Fastening Systems | Nut-Shank PK52670-5 | General Electric 1319M18P01 | CFM International CFM56-5A, -5B, -7B | 2000-08-21 | 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.