MRC:
The means used to attach the item.ABSX
Attachment Method:
Bolts
MRC:
Indicates the type of valve for which the item is designed.BTNZ
Valve Type For Which Designed:
Check
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:
Designates the size of the valve for which the item is designed.CXBX
Valve Size For Which Designed:
4.000 inches
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Copper alloy
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Mil-c-20159, uns c96400 military specification single material 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 subsafe items