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National Stock Number:
4820-01-166-8704
Federal Supply Class:
4820
National Item Identification Number:
011668704
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:
| 056625 ITEM 21 35298 | 48422 | WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION | | 35298 | 48422 | WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 4.000 INCHES NOMINAL | | FLANGE DIAMETER | 4.857 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.335 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD SIZE | 4.625 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 30.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | UNDER FLANGE HEIGHT | 0.585 INCHES NOMINAL | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.410 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 14 SINGLE THREADED PORTION |
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