MRC:
Markings included on an item for the purpose of offering instructions or warnings or to indicate the purpose,function,or application of the item.excludes manufacturers part numbers,symbols,or the like.MARK
Special Markings:
Marked R4244, R4242, R4256, R4241, R4270, C4215, R4224, R4225, R4223, C4219, R4232, R4245, C4220, R4253, R4255, R4252, R4268, R4271, R4269, R4275, R4273, R4263, TB4202
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:
MIL-F-14072, -221 military specification single treatment response terminals