MRC:
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.CRTL
Criticality Code Justification:
Zzzy
MRC:
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.ZZZY
Reference Number Differentiating Characteristics:
Selected and tested for use on electrolytic oxygen-nitrogen generator cleaned in accordance w/mil-p-52211/ce/
MRC:
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.ZZZY
Reference Number Differentiating Characteristics:
Cleaning, packaging, and marking iaw mil-std-1330d