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National Stock Number:
4820-00-872-4568
Federal Supply Class:
4820
National Item Identification Number:
008724568
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:
| 8X0035-1 | 72957 | ELLIOTT COMPANY | | 8X0035PC1H2A | 72957 | ELLIOTT COMPANY |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.691 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 2.312 INCHES NOMINAL | | FLANGE DIAMETER | 2.688 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.500 INCHES NOMINAL | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM BODY | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FACE | | MATERIAL DOCUMENT AND CLASSIFICATION | 17-4PH,ARMCO STEEL CO MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | SEAT RADIUS | 0.448 INCHES MINIMUM AND 0.452 INCHES MAXIMUM | | SEATING SURFACE SHAPE | RADIAL | | SEAL ACCOMMODATION TYPE | GROOVED | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
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