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National Stock Number:
4820-00-348-8715
Federal Supply Class:
4820
National Item Identification Number:
003488715
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:
| 144355P005 | 00198 | PRATT & WHITNEY CANADA CORP | | 144355P005 | 77445 | RTX CORPORATION | | AS144355P5 | 12776 | AIRCRAFT SUPPLIES | | 144355P5 | 77445 | RTX CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 2.281 INCHES MINIMUM AND 2.340 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 2.369 INCHES NOMINAL | | FLANGE DIAMETER | 2.825 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.437 INCHES NOMINAL | | FSC APPLICATION DATA | ACFT ENG R2000 | | HARDNESS RATING | 90.0 ROCKWELL B MINIMUM AND 105.0 ROCKWELL B MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5700 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | SEAT ANGLE IN DEG | 90.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.140 INCHES NOMINAL |
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