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National Stock Number:
4820-01-532-2743
Federal Supply Class:
4820
National Item Identification Number:
015322743
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:
| 9290 PC. NO. 4 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP | | 9290-4 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP |
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Techincal Specification:
| BODY INSIDE DIAMETER | 8.000 INCHES NOMINAL | | FLANGE DIAMETER | 10.500 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 2.000 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 922 OVERALL | | NOMINAL THREAD SIZE | 1.182 INCHES SINGLE THREADED PORTION | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SEAT | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | SPECIAL FEATURES | SEAT HAS 2 STEPPED DIAMETERS ABOVE THE FLANGE AND 2 STEPPED DIAMETERS BELOW THE FLANGE, CLOSEST ONE THREADED AND THE OTHER NOT THREADED. | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD LENGTH | 1.125 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | NPT SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 2.500 INCHES NOMINAL |
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