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National Stock Number:
4820-00-952-4701
Federal Supply Class:
4820
National Item Identification Number:
009524701
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:
| 4G15-11 | 85578 | MARK CONTROLS CORP PACIFIC VALVES DIV | | 4G15-11-W | 85578 | MARK CONTROLS CORP PACIFIC VALVES DIV |
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Techincal Specification:
| SEAT ANGLE IN DEG | 12.000 NOMINAL | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 4.000 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.672 INCHES NOMINAL SINGLE THREADED PORTION | | STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 4.938 INCHES NOMINAL | | BODY INSIDE DIAMETER | 4.000 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.203 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.672 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | NICKEL OVERALL | | SEATING SURFACE SHAPE | ANGULAR |
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