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