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National Stock Number:
4820-00-057-0649
Federal Supply Class:
4820
National Item Identification Number:
000570649
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:
| 180365 | 99657 | MAROTTA CONTROLS INC |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 1.749 INCHES MINIMUM AND | | 1.751 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 1.623 INCHES MINIMUM AND | | 1.624 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.780 INCHES MINIMUM AND | | 0.782 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.148 INCHES MINIMUM AND | | 0.152 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 0.068 INCHES MINIMUM AND | | 0.072 INCHES MAXIMUM | | MATERIAL | PLASTIC OVERALL | | SEATING SURFACE SHAPE | RADIAL | | SEAT RADIUS | 0.002 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 99657 | | DESIGN CONTROL REFERENCE | 180365 |
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