This SAE Aerospace Standard (AS) is to be used as a supplement to AS7109. In addition to the requirements contained in AS7109, the requirements contained herein shall apply to suppliers seeking Nadcap Coatings accreditation who are engaged in cementation.

Class Qualification shall include one of the following:

Class A Pack Process-In Pack

Class B Above Pack

Class C Chemical Vapor Deposition (CVD)/Diffusion

Class D Slurry Process

a. Dip

b. Spray