MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material (non-core):
Aluminum alloy, qq-a-250/12, t6 or aluminum alloy, qq-a-367, comp 7075, t73
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 (non-core):
Epoxy primer, one coat, per mil-p-13379 and acrylic lacquer, two coats, per mil-l-19538
