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-a-250/5, alclad, temper t3 federal specification 1st material response or qq-a-250/5, alclad, temper t4 federal specification 1st material response
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.STDC
Surface Treatment Specification:
Mil-a-8625 military specification 1st treatment response or mil-c-5541 military specification 2nd treatment response