| Specification | ProcessDescription | Category | SpecLimits |
| AMS 2630 | Inspection, Ultrasonic, Product over 0.5 Inch (12.7mm) Thick *NOTE* NGAS ASPL approval is required when testing is performed by a secondary source other than the primary mill. | Non-Destructive Testing | Limits: None |
| AMS 2772 | Heat Treatment of Aluminum Alloy Raw Materials | Heat Treat | Limits: None |
| AMS-STD-2154 | Inspection, Ultrasonic, Wrought Metals, Process for *NOTE* NGAS ASPL approval is required when testing is performed by a secondary source other than the primary mill. | Non-Destructive Testing | Limits: None |
| ASTM E18 | Standard Test Methods for Rockwell Hardness of Metallic Materials | Materials Testing | Limits: None |