MRC:
The technical differentiating characteristic/s/ of an item of supply which depart/s/ from the text of a specification or a standard in that it represents a selection of characteristics stated in the specification or standard as being optional,or a variation from one or more of the stated characteristics,or an additional characteristic not stated in the specification or standard.ZZZW
Departure From Cited Document:
Nsn for df-8 to be used only by air force for purpose of monitoring jp-8 as ground fuel; for requisitioning purposes use nsn 9130-01-031-5816, mil-t-83133