| Specification | ProcessDescription | Category | SpecLimits |
| ACS-PRS-1008 | Forming & Straightening of Titanium and Titanium Alloys. “Suppliers limited to cold forming of titanium per ACS-PRS-1008 are not required to be approved by NGC provided all stress relief operations are performed by an approved supplier to AMS2801.” | Miscellaneous | Limits: Limited to Hot Forming Only. Specifically, pre-heat the material prior to forming. |
| ACS-PRS-2151 | Process Specification for Sealing, Integral Fuel Tank and Fuel Cell Cavity | Finishes/Coatings | Limits: Limited to pre-measured sealant dispensing cartridges (Semkits). Not approved for Appendix A |