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National Stock Number:
4820-00-219-8293
Federal Supply Class:
4820
National Item Identification Number:
002198293
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:
| 8002456 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.125 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.436 INCHES NOMINAL | | FLANGE DIAMETER | 0.436 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.069 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303SE OVERALL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN FLANGED | | SURFACE TREATMENT | PASSIVATE OVERALL | | UNDER FLANGE HEIGHT | 0.181 INCHES NOMINAL |
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