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:
Modified by dimensions, width of nut across flat, working pressure, final finish, and gasket must be suitable for repeated use w/food