MIL-STD-186 Protective Finishing For Army Missile Weapon SystemsThis standard establishes the minimum requirements for procedures, materials, and systems for cleaning, plating, painting and finishing metals, wood, electronic materials, parts and assemblies for rockets, guided missiles, and components to protect them from deterioration.

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Code

No.

Coating

Type

Other Treatment

Thickness, minimum

366

367

368

369

370

371

372

Metallic- ceramic coatings to provide corrosion and oxidation protection

Aluminum vacuum deposited

Same

(Not used) Aluminum and

aluminum alloys

Inorganically bonded aluminum

Palladium plate

(ASTM B679)

Metallic/ organometallic compound decomposition

Electrophoreti cally deposited

Steel parts with a hardness > Rockwell C40 shall be given

a suitable stress-relief heat treatment, prior to cleaning and plating, at a temperature which will produce maximum stress relief without reducing the hardness to less than the specified minimum. Embrittlement relief steel parts after plating per ASTM B 850.

0.00001 inch