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National Stock Number:
4820-00-633-5983
Federal Supply Class:
4820
National Item Identification Number:
006335983
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:
| 5VRP72PC2 | 16497 | DRESSER, INC. | | VAG866A | 16497 | DRESSER, INC. |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 6.375 INCHES NOMINAL | | BODY INSIDE DIAMETER | 1.688 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.688 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 5.375 INCHES NOMINAL | | MATERIAL | STEEL COMP 414 OVERALL | | HARDNESS RATING | 22.0 ROCKWELL C MINIMUM AND | | 26.0 ROCKWELL C MAXIMUM BODY | | 22.0 ROCKWELL C MINIMUM AND | | 26.0 ROCKWELL C MAXIMUM FACE | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 3.312 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 8 SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 1.000 INCHES NOMINAL SINGLE THREADED PORTION |
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