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		                             National Stock Number: 4820-00-900-3137
  Federal Supply Class: 4820
  National Item Identification Number: 009003137
  Description: VALVE ASSEMBLY,BALL
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  Manufacturer Information:
 | 2640-901X12ASSYECK | 96169 | ELECTRIC BOAT CORPORATION |  | 2640-901X12ASSYECKL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | SS845-2180968ASSYECKL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | SS845-2180968ASSYECK | 80064 | NAVAL SHIP SYSTEMS COMMAND |   
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  Techincal Specification:
 | CRITICALITY CODE JUSTIFICATION | ZZZY |  | GENERAL CHARACTERISTICS ITEM DESCRIPTION | BODY,NICKEL COPPER ALLOY,QQ-N-281,CL A,HF FORGED,CONNECTIONS,FLANGED,FACED AND DRILLED |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTIONS FOR LEVEL 1 ITEMS |   
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