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		                             National Stock Number: 4820-00-695-1449
  Federal Supply Class: 4820
  National Item Identification Number: 006951449
  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:
 | 235315P010 | 00198 | PRATT & WHITNEY CANADA CORP |  | 235315P010 | 77445 | RTX CORPORATION |  | 235315P10 | 00198 | PRATT & WHITNEY CANADA CORP |  | 235315P10R1 | 00198 | PRATT & WHITNEY CANADA CORP |  | 235315P10R1 | 77445 | RTX CORPORATION |  | 235315P10 | 77445 | RTX CORPORATION |  | AS235315P10 | 12776 | AIRCRAFT SUPPLIES |   
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  Techincal Specification:
 | STYLE DESIGNATOR | PLAIN FLANGED |  | FLANGE DIAMETER | 2.827 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 2.367 INCHES MINIMUM AND |   | 2.371 INCHES MAXIMUM |  | BODY INSIDE DIAMETER | 2.276 INCHES MINIMUM AND |   | 2.286 INCHES MAXIMUM |  | FLANGE SEAT TO DISK END HEIGHT | 0.436 INCHES MINIMUM AND |   | 0.439 INCHES MAXIMUM |  | UNDER FLANGE HEIGHT | 0.136 INCHES MINIMUM AND |   | 0.144 INCHES MAXIMUM |  | MATERIAL | STEEL OVERALL |  | HARDNESS RATING | 90.0 ROCKWELL C MINIMUM AND |   | 105.0 ROCKWELL C MAXIMUM OVERALL |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 43.500 MINIMUM AND |   | 44.500 MAXIMUM |  | FSC APPLICATION DATA | ACFT ENG R2800 |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 00198 |  | DESIGN CONTROL REFERENCE | 235315P10R1 |   
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