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National Stock Number:
4820-00-756-4985
Federal Supply Class:
4820
National Item Identification Number:
007564985
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:
| C5606-21 | 70236 | TACTAIR FLUID CONTROLS INC | | C5606-21 | 99215 | KAISER FLUID TECHNOLOGIES INC. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.049 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.248 INCHES NOMINAL | | FLANGE DIAMETER | 0.358 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.063 INCHES NOMINAL | | HARDNESS RATING | 57.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SEAL ACCOMMODATION TYPE | GROOVED | | SEAT ANGLE IN DEG | 39.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN FLANGED | | SURFACE TREATMENT | PASSIVATE OVERALL | | UNDER FLANGE HEIGHT | 0.207 INCHES NOMINAL |
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