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		                             National Stock Number: 4820-00-620-7370
  Federal Supply Class: 4820
  National Item Identification Number: 006207370
  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:
 | 11387B | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA |  | 2630FPC2 | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA |   
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  Techincal Specification:
 | STYLE DESIGNATOR | THREADED FLANGED |  | FLANGE DIAMETER | 5.250 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 3.500 INCHES NOMINAL |  | FLANGE SEAT TO DISK END HEIGHT | 1.000 INCHES NOMINAL |  | UNDER FLANGE HEIGHT | 0.500 INCHES NOMINAL |  | MATERIAL | COPPER ALLOY OVERALL |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 45.000 NOMINAL |  | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |  | NOMINAL THREAD SIZE | 4.250 INCHES SINGLE THREADED PORTION |  | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION |  | THREAD CLASS | 2A SINGLE THREADED PORTION |  | THREAD LENGTH | 0.500 INCHES NOMINAL SINGLE THREADED PORTION |   
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