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National Stock Number:
4820-00-393-4284
Federal Supply Class:
4820
National Item Identification Number:
003934284
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:
| 23426 | 26505 | GROVE VALVE OPERATIONS |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 1.497 INCHES MINIMUM AND | | 1.502 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 1.251 INCHES MINIMUM AND | | 1.252 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.311 INCHES MINIMUM AND | | 0.313 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 0.250 INCHES NOMINAL | | BODY STEPPED INSIDE DIAMETER | 0.748 INCHES MINIMUM AND | | 0.752 INCHES MAXIMUM FIRST STEP | | 1.062 INCHES NOMINAL SECOND STEP | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL |
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