| CONTRACTOR | SPECIFICATION | PROCESS | |
| APPROVALS: | |||
| L3 | TPS 1-401 | Passivation of Corrosion Resistant Steels | |
| L3 | TPS 1-418 | Class 1A Chromate Conversion Coating for Aluminum Alloys | |
| L3 | TPS 5-804 | Penetrant Inspection | |
| OTHER PROCESSES - NO APPROVAL REQUIRED: | |||
| L3 | TPS 4-212 | Finishes & Finish Codes for Aircraft & Airborne Equipment | |
| L3 | TPS 1-100 | Abrasive Cleaning, Deburring and Finishing of Metallic Parts | |