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		                        | National Stock Number:
 4820-00-969-2264
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 009692264
 
 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:
 
 | UH-23170ITEM2 | 12736 | CLAYTON MANUFACTURING COMPANY |  | UH12799 | 12736 | CLAYTON MANUFACTURING COMPANY | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | PLAIN |  | OVERALL HEIGHT | 0.500 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 1.594 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 1.250 INCHES MINIMUM AND |  |  | 1.260 INCHES MAXIMUM |  | MATERIAL | STEEL OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,AISI 440C/SAE 51440C FED STD SINGLE MATERIAL RESPONSE OVERALL |  | HARDNESS RATING | 53.0 ROCKWELL C MINIMUM AND |  |  | 58.0 ROCKWELL C MAXIMUM BODY |  |  | 53.0 ROCKWELL C MINIMUM AND |  |  | 58.0 ROCKWELL C MAXIMUM FACE |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 60.000 NOMINAL |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 12736 |  | DESIGN CONTROL REFERENCE | UH12799 | 
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