| Specification | ProcessDescription | Category | SpecLimits |
| F-164 | Waterproofing and Surface Densification of HTP Insulation | Miscellaneous | Limits: None |
| GSS 5300 | Forming and Straightening of Aluminum Alloys. *Note* Suppliers limited to cold forming aged materials are not required to be approved by NGC | Miscellaneous | Limits: Limited to Hot Forming per para. 3.6.3, b & c |
| R-234 | Application of Ceramic Coatings on Tile Parts | Miscellaneous | Limits: None |