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:
Nav only, fwd pwr, aft pwr, cmptr 1a, cmptr cp, dis data, att limit, freq mem, trk loss, winds, tas/hdg and one blank
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 a surface.SURF
Surface Treatment:
Anodized, mil-a-8625, type 2, class 2