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National Stock Number:
4820-00-127-8819
Federal Supply Class:
4820
National Item Identification Number:
001278819
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:
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN | | OVERALL HEIGHT | 0.085 INCHES MINIMUM AND | | 0.087 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.279 INCHES MINIMUM AND | | 0.281 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.084 INCHES MINIMUM AND | | 0.088 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 30.000 MINIMUM AND | | 45.000 MAXIMUM |
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