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		                        | National Stock Number:
 4810-00-351-9079
 
 Federal Supply Class:
 4810
 
 National Item Identification Number:
 003519079
 
 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:
 
 | 205302-1 | 82106 | PARKER-HANNIFIN CORPORATION | 
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 Techincal Specification:
 
 | MATERIAL | STEEL CORROSION RESISTING OVERALL |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND |  |  | 59.0 ROCKWELL C MAXIMUM OVERALL |  | SEATING SURFACE SHAPE | FLAT |  | SEAL ACCOMMODATION TYPE | GROOVED |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 82106 |  | DESIGN CONTROL REFERENCE | 205302-1 | 
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