MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Steel, qq-w-474, comp a-canceled or steel, qq-w-474, comp b-canceled
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:
Qq-w-474, comp a-canceled federal specification 1st material response and qq-w-474, comp b-canceled federal specification 2nd material response