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:
Aisi assn standard 1st material response or aisi assn standard 2nd material response or qq-s-698, cond hrcq federal specification 3rd material response or qq-s-698, cond hrcq federal specification 4th material response or qq-s-698, cond hrcq federal specification 5th material response or qq-s-698, cond hrcq federal specification 6th material response or qq-s-698, cond hrcq federal specification 7th material response or qq-s-698, cond hrcq federal specification 8th material response