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:
The type of media for which the item is designed.MEDA
Media For Which Designed:
Fuel/oil, hydrocarbon single response
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:
Quality control in accordance with navships 0948-045-7010 material identification and control instruction for level 1 items