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National Stock Number:
4820-00-393-4343
Federal Supply Class:
4820
National Item Identification Number:
003934343
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:
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.500 INCHES NOMINAL | | OVERALL HEIGHT | 1.750 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 2.125 INCHES FIRST THREADED PORTION | | NOMINAL THREAD SIZE | 2.625 INCHES SECOND THREADED PORTION | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | DOUBLE FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.500 INCHES NOMINAL FIRST THREADED PORTION | | THREAD LENGTH | 0.750 INCHES NOMINAL SECOND THREADED PORTION | | THREAD QUANTITY PER INCH | 16 FIRST THREADED PORTION | | THREAD QUANTITY PER INCH | 16 SECOND THREADED PORTION | | THREAD SERIES DESIGNATOR | UN FIRST THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SECOND THREADED PORTION |
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