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National Stock Number:
4820-00-364-4373
Federal Supply Class:
4820
National Item Identification Number:
003644373
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:
| 3229232 | 55380 | HATCH & KIRK, INC. | | 3229232 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV | | K-3229232 | 18954 | KORODY-COLYER CORP A CR INDUSTRIES CO |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 0.781 INCHES NOMINAL | | BODY STEPPED INSIDE DIAMETER | 0.437 INCHES MINIMUM AND 0.438 INCHES MAXIMUM SECOND STEP | | BODY STEPPED INSIDE DIAMETER | 0.531 INCHES NOMINAL FIRST STEP | | FLANGE DIAMETER | 1.188 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.500 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OVERALL | | SEAT RADIUS | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | TAPER LENGTH | 0.500 INCHES NOMINAL | | TAPER MAJOR DIAMETER | 0.781 INCHES NOMINAL | | TAPER MINOR DIAMETER | 0.625 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.500 INCHES NOMINAL |
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