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-s-763, cl 302, cond a federal specification 1st material response or qq-s-763, cl 303, cond b federal specification 2nd material response or qq-s-763, cl304, cond a federal specification 3rd material response or qq-s-763, cl 304, cond b federal specification 3rd material response or qq-s-763, cl 305, cond a federal specification 4th material response or qq-s-763, cl 305, cond b federal specification 4th material response