| C-40 | Cleaning Prior to Heat Treatment Titanium | Chemical Processing |
| Supersedes: None | Superseded By: None | |
| Selected sector: AS | Date added: | |
| SupplierNumber | SupplierName | State | CountryName |
| 90174381 | Align Precision 597 North 1500 West | UT | United States |
| 90045280 | HUGHES BROS AIRCRAFTERS INC | CA | United States |