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		                        | National Stock Number:
 4820-00-967-4835
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 009674835
 
 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:
 
 | 200113ADPC420 | 0AT62 | SIEMENS ENERGY, INC. |  | 200113ADPC420 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |  | 6198B | 0AT62 | SIEMENS ENERGY, INC. |  | 200113ADPC420 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP |  | 200113ADPC420 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |  | 200113ADPC420 | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE |  | A2529 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |  | 6198B | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |  | 6198B | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP |  | 6198B | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | DOUBLE FLANGED |  | OVERALL HEIGHT | 0.750 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 0.500 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 45.000 NOMINAL |  | THREAD SERIES DESIGNATOR | UNF FIRST THREADED PORTION |  |  | UNF SECOND THREADED PORTION |  | NOMINAL THREAD SIZE | 0.688 INCHES FIRST THREADED PORTION |  |  | 0.875 INCHES SECOND THREADED PORTION |  | THREAD QUANTITY PER INCH | 24 FIRST THREADED PORTION |  |  | 20 SECOND THREADED PORTION |  | THREAD CLASS | 2A FIRST THREADED PORTION |  |  | 2A SECOND THREADED PORTION |  | THREAD LENGTH | 0.250 INCHES NOMINAL FIRST THREADED PORTION |  |  | 0.444 INCHES NOMINAL SECOND THREADED PORTION | 
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