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National Stock Number:
4820-01-143-7315
Federal Supply Class:
4820
National Item Identification Number:
011437315
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:
| 10124644 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 2493772 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC | | 2493772 | 99551 | GOODRICH CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.250 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.548 INCHES NOMINAL | | FLANGE DIAMETER | 0.670 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.255 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY OVERALL | | SEAL ACCOMMODATION TYPE | GROOVED | | SEAT ANGLE IN DEG | 60.500 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN FLANGED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | UNDER FLANGE HEIGHT | 0.048 INCHES NOMINAL |
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