Hi-Tech Metal Finishing offers the following approved processes for Sikorsky.

Code Process
AMS-QQ-P-35 Passivation
AMS-QQ-P-416 Cadmium Plate
MIL-A-8625 Boric-Sulfuric, Chromic & Sulfuric Anodize
MIL-STD-865 Brush Cadmium Plating
SS8407 Stress Relief & Embrittlement of Steel
SS8423 Degreasing of Parts
SS8435 Passivation
SS8443 Brush Cadmium Plating
SS8448 Cadmium Plate
SS8483 Boric-Sulfuric, Chromic & Sulfuric Anodize
SS8486 Chemical Conversion Coat
SS8555 Paint Requirements, Aircraft Exterior
SS8557 Water Reducible Epoxy Aircraft Coating
SS8603 Adhesive Primer, Application of
SS8805 Magnetic Particle Inspection
SS8806 Penetrant Inspection
SS8813 Nondestructive Inspection Plan
SS8866 Lubricant, Solid Film, Application of
SS9214 Alternate Organic Finishes
TT-L-32 Commercial Descriptions (CIDS)
TT-P-1757 Primer Coating, Alkyd Base One Component