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National Stock Number:
4820-00-393-4326
Federal Supply Class:
4820
National Item Identification Number:
003934326
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:
| 234022 | 26505 | GROVE VALVE OPERATIONS |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 1.248 INCHES MINIMUM AND 1.249 INCHES MAXIMUM | | BODY STEPPED INSIDE DIAMETER | 0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM FIRST STEP | | BODY STEPPED INSIDE DIAMETER | 1.031 INCHES NOMINAL SECOND STEP | | FLANGE DIAMETER | 1.499 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.311 INCHES MINIMUM AND 0.313 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | UNDER FLANGE HEIGHT | 0.250 INCHES NOMINAL | | STYLE DESIGNATOR | PLAIN FLANGED |
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