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		                             National Stock Number: 4820-01-170-4188
  Federal Supply Class: 4820
  National Item Identification Number: 011704188
  Description: SEAT,VALVE
  Detail: A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT. 
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  Manufacturer Information:
 | 023892DC | 99565 | ADMIRAL VALVE LLC |  | 023892DCCP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | PL-3937ITEM6CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | PL-3937ITEM6 | 99565 | ADMIRAL VALVE LLC |   
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  Techincal Specification:
 | CRITICALITY CODE JUSTIFICATION | ZZZY |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |   
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