MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Steel, federal standard 66, comp 1070 or steel, federal standard 66, comp 1090
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 1070 or steel comp 1090
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Fed standard 66, comp 1070 federal standard 1st material response and federal standard 66, comp 1090 federal standard 2nd material response