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		                        | National Stock Number:
 4810-00-168-8719
 
 Federal Supply Class:
 4810
 
 National Item Identification Number:
 001688719
 
 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:
 
 | 150-409FFPC204 | 27235 | HARDIE-TYNES CO., INC. |  | 150-409FPC204 | 27235 | HARDIE-TYNES CO., INC. |  | 150-409YPC204 | 27235 | HARDIE-TYNES CO., INC. |  | 150-419FFPC204 | 27235 | HARDIE-TYNES CO., INC. |  | 150-419FPC204 | 27235 | HARDIE-TYNES CO., INC. |  | 150-419YPC204 | 27235 | HARDIE-TYNES CO., INC. |  | 150-4340PC20 | 27235 | HARDIE-TYNES CO., INC. |  | 150-434YPC204 | 27235 | HARDIE-TYNES CO., INC. |  | 150-6196FPC204 | 27235 | HARDIE-TYNES CO., INC. |  | 150-619FFPC204 | 27235 | HARDIE-TYNES CO., INC. |  | 150-619FPC204 | 27235 | HARDIE-TYNES CO., INC. |  | 150-619PC204 | 27235 | HARDIE-TYNES CO., INC. |  | 20-204 | 27235 | HARDIE-TYNES CO., INC. | 
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 Techincal Specification:
 
 | FLANGE DIAMETER | 1.625 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 1.438 INCHES NOMINAL |  | FLANGE SEAT TO DISK END HEIGHT | 0.875 INCHES NOMINAL |  | UNDER FLANGE HEIGHT | 0.563 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 0.333 NOMINAL |  | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |  | THREAD CLASS | 3B SINGLE THREADED PORTION |  | THREAD LENGTH | 0.250 INCHES NOMINAL SINGLE THREADED PORTION | 
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