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		                        | National Stock Number:
 4820-00-831-6934
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 008316934
 
 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:
 
 | 02-15243 | 99167 | HAMILTON SUNDSTRAND CORPORATION | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | PLAIN |  | OVERALL HEIGHT | 0.685 INCHES MINIMUM AND |  |  | 0.690 INCHES MAXIMUM |  | BODY OUTSIDE DIAMETER | 0.649 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 0.250 INCHES MINIMUM AND |  |  | 0.500 INCHES MAXIMUM |  | MATERIAL | STEEL COMP 440C OVERALL |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | SEATING SURFACE SHAPE | FLAT |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 99167 |  | DESIGN CONTROL REFERENCE | 02-15243 | 
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