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		                        | National Stock Number:
 4820-00-978-2319
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 009782319
 
 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:
 
 | 8X0017-3 | 72957 | ELLIOTT COMPANY |  | 8X0017PC1H2B | 72957 | ELLIOTT COMPANY | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | PLAIN FLANGED |  | FLANGE DIAMETER | 2.625 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 2.374 INCHES MINIMUM AND |  |  | 2.375 INCHES MAXIMUM |  | BODY INSIDE DIAMETER | 0.800 INCHES NOMINAL |  | FLANGE SEAT TO DISK END HEIGHT | 0.796 INCHES NOMINAL |  | UNDER FLANGE HEIGHT | 1.125 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | 17-4PH,ARMCO STEEL CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL |  | SEATING SURFACE SHAPE | RADIAL |  | SEAT RADIUS | 0.250 INCHES NOMINAL |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 72957 |  | DESIGN CONTROL REFERENCE | 8X0017-3 | 
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