MRC:
						The national stock number or the identification information of the end equipment for which the item is a part.AGAV
					 
					
						End Application:
					
					
						Valve, ball, 1 inch, 801-6404588 asy 97					
				 
							
					
						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 element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
					 
					
						Material:
					
					
						Copper nickel alloy					
				 
							
					
						MRC:
						The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
					 
					
						Material:
					
					
						Copper alloy 706					
				 
							
					
						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