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National Stock Number:
4820-01-432-9306
Federal Supply Class:
4820
National Item Identification Number:
014329306
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:
| 83309-37 | 57574 | VELAN VALVE CORP. | | 83309-37 ITEM NO.4 | 57574 | VELAN VALVE CORP. | | 8543-009-002S | 57574 | VELAN VALVE CORP. |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 4.895 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 4.500 INCHES NOMINAL | | BODY INSIDE DIAMETER | 4.000 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.937 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.102 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A105,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 30.000 NOMINAL | | SPECIAL FEATURES | FACE TRIMED IN STELLITE |
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