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:
Mas 5518, 1/2 hard assn standard 1st material response or ams 5519, hard assn standard 1st material response or mil-s-5059, 1/2 hard, 3/4 hard, hard military specification 1st material response or mil-s-5059, 1/2hard, 3/4 hard, hard military specification 2nd material response or mil-s-5059, 1/2 hard, 3/4 hard, hard military specification 3rd 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:
M+22, fscm 93835 mfr ref single treatment response
