MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Rubber, synthetic, mil-r-6855, class 2, grade 40 and steel, qq-s-766, class 304, cond a
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:
Mil-r-6855, class 2, grade 40 military specification 1st material response and qq-s-766, class 304, cond a federal specification 2nd material response