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National Stock Number:
4820-00-931-2186
Federal Supply Class:
4820
National Item Identification Number:
009312186
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:
| 1652 | 57574 | VELAN VALVE CORP. | | 1770X1652 | 57574 | VELAN VALVE CORP. |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 0.996 INCHES MINIMUM AND | | 0.998 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.870 INCHES MINIMUM AND | | 0.875 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.312 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.281 INCHES NOMINAL | | BODY STEPPED INSIDE DIAMETER | 0.343 INCHES NOMINAL FIRST STEP | | 0.688 INCHES NOMINAL SECOND STEP | | MATERIAL | STEEL COMP 416 BODY | | COBALT ALLOY FACE | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 36.000 NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 57574 | | DESIGN CONTROL REFERENCE | 1770X1652 |
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