| Specification | ProcessDescription | Category | SpecLimits |
| AMS 2759 | General Requirements for Heat Treatment of Steel Parts | Heat Treat | Limits: No Vacuum Furnaces used Limited to Ground Support Equipment only. Not authorized for flight hardware |
| AMS 2759/ 1 | Heat Treatment of Carbon and Low-Alloy Steel Parts Min Ten. Str.< 220ksi | Heat Treat | Limits: No Vacuum Furnaces used Limited to Ground Support Equipment only. Not authorized for flight hardware |
| AMS 2759/2 | Heat Treatment of Carbon and Low-Alloy Steel Parts Min Ten. Str.> 220ksi | Heat Treat | Limits: No Vacuum Furnaces used Limited to Ground Support Equipment only. Not authorized for flight hardware |
| ASTM E18 | Standard Test Methods for Rockwell Hardness of Metallic Materials. Required for F35 program only | Materials Testing | Limits: Limited to Ground Support Equipment only. Not authorized for flight hardware |