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National Stock Number:
4820-00-856-7723
Federal Supply Class:
4820
National Item Identification Number:
008567723
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:
| C229 | 98939 | AEROCONTROLEX GROUP, INC. |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 0.561 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.341 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.187 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.219 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.375 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND | | 61.0 ROCKWELL C MAXIMUM OVERALL | | SEATING SURFACE SHAPE | FLAT | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 98939 | | DESIGN CONTROL REFERENCE | C229 |
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