| Specification | Process Description | Category | Limits |
| ACS-PRS-2151 | Process Specification for Sealing, Integral Fuel Tank and Fuel Cell Cavity | Finishes/Coatings | Limits: Limited to premixed frozen sealant or pre-measured sealant dispensing cartridges (Semkits) |
| AWS D:17.1 | Fusion Welding for Aerospace Applications | Welding | Limits: Limited to non-flight ground support hardware only |
| AWS D1.1 | Structural Steel Welding - Steel | Welding | Limits: Limited to non-flight ground support hardware only |
| GSS 6202 | Fusion Welding of Ferrous and Non-Ferrous Alloy Ground Support Equipment | Welding | Limits: Limited to GTAW only |