| ACS-PRS-4504 | Assembly of Threaded and Welded Fittings. *NOTE* ASPL approval is not required for assembly of Class A Threaded Connections. Qualification and ASPL approval is required for Class B Welded Connections. | Miscellaneous |
| Supercedes: None | Superceded By: None |
| Number | Name | State | Country |
| 90076599 | Exotic Tool Welding | WA | United States |
| 90053043 | Spirit Aerosystems | KS | United States |