This standard covers the standard methods and materials used for the protective surface treatment used on aerospace weapons system parts (including spares) and assemblies (such as fuselages, wings, cowls, strut empennage, rotor blades, and floats). This standard does not intend to address the application of solid film lubricants as a finishing system. This standard does not apply to equipment (such as propellers, electrical and electronic equipment, power plants, and instruments) or to standard contractor purchased accessories, (such as electric motors, generators, switches, hydraulic valves, and similar parts), unless specifically referenced in the item specification or drawing.