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-b-626 federal specification single material response or qq-b-626, alloy 342 federal specification single material response or qq-b-626, alloy 360 federal specification single material response or qq-b-626, alloy 360, 1/2h federal specification single material response or qq-b-626, comp b federal specification single material response or qq-b-626, comp 22 federal specification single material response