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:
QQ-P-416, type 2, cl 3 federal specification 1ST treatment response or MIL-C-81562 type 2, cl 3 military specification 1ST treatment response or MIL-C-81562, type 2, cl 3 military specification 2ND treatment response and MIL-C-81562, type 2, cl 3 military specification 3RD treatment response or MIL-C-81562, type 2 military specification 4TH treatment response or QQ-Z-325, type 2 military specification 4TH treatment response