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National Stock Number:
4820-00-872-4569
Federal Supply Class:
4820
National Item Identification Number:
008724569
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:
| 8X0035 | 72957 | ELLIOTT COMPANY | | 8X0035 2 | 72957 | ELLIOTT COMPANY | | 8X0035-2 | 72957 | ELLIOTT COMPANY | | 8X0035PC1H2B | 72957 | ELLIOTT COMPANY |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 2.625 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 2.374 INCHES MINIMUM AND | | 2.375 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 1.305 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.562 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 1.250 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 17-4PH,ARMCO STEEL CO MFR REF SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM BODY | | 40.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM FACE | | SEATING SURFACE SHAPE | RADIAL | | SEAT RADIUS | 0.450 INCHES NOMINAL | | SEAL ACCOMMODATION TYPE | GROOVED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 72957 | | DESIGN CONTROL REFERENCE | 8X0035 2 |
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