MRC:
The variation when the item is in conformity with a type designator covered by a specification or standard,except in regard to one or more technical differentiating characteristics.ZZZX
Departure From Cited Designator:
Material controlled iaw ss800-ag-man-010/p9290 system certification procedures and criteria manual for deep submergence systems and requires cleaning, packing, and marking iaw mil-std-1622 or mil-std-1330 as deemed applicable; critical item for safety and survival of deep submergence research and rescue vehicals as differentiated by special test features