MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Steel, astm a148 gr 105-85 or gr 120-95 or iron, ductile
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
"steel, astm a148 gr 105-85 or gr 120-95 or iron, ductile"
MRC:
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
Surface Treatment:
"epoxy, mil-p-52192 or epoxy, mil-p-53022 or epoxy, mil-p-53030"
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:
Epoxy, mil-p-52192 or epoxy, mil-p-53022 or epoxy, mil-p-53030
