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:
Ams 5518 assn standard single material response or ams 5519 assn standard single material response or mil-s-5059, type 301, h military specification single material response or mil-s-5059, type 301, 1/2 h military specification single material response or mil-s-5059, type 302, h military specification single material response
