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National Stock Number:
4820-00-868-8957
Federal Supply Class:
4820
National Item Identification Number:
008688957
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:
| UH13888 | 12736 | CLAYTON MANUFACTURING COMPANY |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.215 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.452 INCHES NOMINAL | | FLANGE DIAMETER | 0.457 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.100 INCHES NOMINAL | | HARDNESS RATING | 53.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL | STEEL COMP 440C OVERALL | | SEAL ACCOMMODATION TYPE | RECESSED | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN FLANGED | | SURFACE TREATMENT | ANODIZE OVERALL | | UNDER FLANGE HEIGHT | 0.181 INCHES NOMINAL |
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