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National Stock Number:
4820-00-574-4298
Federal Supply Class:
4820
National Item Identification Number:
005744298
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:
| 43A30PC5 | 53553 | AMETEK INC SCHUTTE AND KOERTING DIV | | 43A61-5 | 53553 | AMETEK INC SCHUTTE AND KOERTING DIV | | 43A61PC5 | 53553 | AMETEK INC SCHUTTE AND KOERTING DIV |
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Techincal Specification:
| BODY INSIDE DIAMETER | 7.578 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 10.502 INCHES MINIMUM AND 10.504 INCHES MAXIMUM | | FLANGE DIAMETER | 11.464 INCHES MINIMUM AND 11.469 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.312 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-872,CLASS A,COND A MIL SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | COBALT ALLOY FACE | | MATERIAL | STEEL BODY | | SEAT RADIUS | 3.219 INCHES NOMINAL | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | TAPER MAJOR DIAMETER | 9.000 INCHES NOMINAL | | TAPER MINOR DIAMETER | 7.578 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 7.688 INCHES NOMINAL |
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