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National Stock Number:
4820-00-475-5475
Federal Supply Class:
4820
National Item Identification Number:
004755475
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:
| 7635-155-732 | 38683 | DRESSER INDUSTRIES INC MASONEILAN NORTH AMERICAN OPNS DRESSER VALVE AND CONTROLS DIV | | 9040-5EPC2 | 38683 | DRESSER INDUSTRIES INC MASONEILAN NORTH AMERICAN OPNS DRESSER VALVE AND CONTROLS DIV |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 1.343 INCHES MINIMUM AND | | 1.344 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.203 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.375 INCHES NOMINAL | | BODY STEPPED INSIDE DIAMETER | 0.375 INCHES MINIMUM AND | | 0.376 INCHES MAXIMUM FIRST STEP | | 0.516 INCHES NOMINAL SECOND STEP | | MATERIAL | NICKEL ALLOY OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 50.000 NOMINAL | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 1.188 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 20 SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.375 INCHES NOMINAL SINGLE THREADED PORTION | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 38683 | | DESIGN CONTROL REFERENCE | 7635-155-732 |
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