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		                        | National Stock Number:
 4820-00-756-4985
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 007564985
 
 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:
 
 | C5606-21 | 70236 | TACTAIR FLUID CONTROLS INC |  | C5606-21 | 99215 | KAISER FLUID TECHNOLOGIES INC. | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | PLAIN FLANGED |  | FLANGE DIAMETER | 0.358 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 0.248 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 0.049 INCHES NOMINAL |  | FLANGE SEAT TO DISK END HEIGHT | 0.063 INCHES NOMINAL |  | UNDER FLANGE HEIGHT | 0.207 INCHES NOMINAL |  | MATERIAL | STEEL CORROSION RESISTING OVERALL |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | HARDNESS RATING | 57.0 ROCKWELL C MINIMUM AND |  |  | 60.0 ROCKWELL C MAXIMUM OVERALL |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 39.000 NOMINAL |  | SEAL ACCOMMODATION TYPE | GROOVED |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 70236 |  | DESIGN CONTROL REFERENCE | C5606-21 | 
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