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		                        | National Stock Number:
 4820-00-833-8013
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 008338013
 
 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:
 
 | 51-5-21 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |  | 51-5-21 | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV | 
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 Techincal Specification:
 
 | BODY INSIDE DIAMETER | 0.750 INCHES NOMINAL |  | FLANGE DIAMETER | 1.000 INCHES MINIMUM AND 1.002 INCHES MAXIMUM |  | FLANGE SEAT TO DISK END HEIGHT | 0.047 INCHES NOMINAL |  | MATERIAL | NICKEL ALLOY OVERALL |  | NOMINAL THREAD SIZE | 1.375 INCHES SINGLE THREADED PORTION |  | SEAT ANGLE IN DEG | 45.000 NOMINAL |  | SEATING SURFACE SHAPE | ANGULAR |  | STYLE DESIGNATOR | THREADED FLANGED |  | THREAD CLASS | 2A SINGLE THREADED PORTION |  | THREAD LENGTH | 0.250 INCHES NOMINAL SINGLE THREADED PORTION |  | THREAD SERIES DESIGNATOR | UNEF SINGLE THREADED PORTION |  | UNDER FLANGE HEIGHT | 0.203 INCHES NOMINAL | 
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