MRC:
Consists of plating,dip,and/or coating that cannot be wiped off. plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects the outside surface.AAJP
Outside Surface Treatment:
Enamel, tt-e-489, class b
MRC:
Markings included on an item for the purpose of offering instructions or warnings or to indicate the purpose,function,or application of the item.excludes manufacturers part numbers,symbols,or the like.MARK
Special Markings:
Zdecals m34 or m36 periscope body-commanders, m34/m36 periscope head-commanders, i.R. Periscope sunshield stowage, adjust brackets to provide a snugfit of the stowed periscope, m32 periscope head gunners, m24 i.R. Periscope drivers, rations