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National Stock Number:
4820-00-057-0644
Federal Supply Class:
4820
National Item Identification Number:
000570644
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:
| 180428 | 99657 | MAROTTA CONTROLS INC |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 2.246 INCHES MINIMUM AND | | 2.248 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 1.750 INCHES NOMINAL | | BODY INSIDE DIAMETER | 1.160 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.360 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.240 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SEATING SURFACE SHAPE | RADIAL | | SEAT RADIUS | 0.750 INCHES NOMINAL | | SEAL ACCOMMODATION TYPE | GROOVED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 99657 | | DESIGN CONTROL REFERENCE | 180428 |
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