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National Stock Number:
4820-01-098-1688
Federal Supply Class:
4820
National Item Identification Number:
010981688
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:
| 25757 | 16780 | EATON AEROSPACE LLC |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN | | OVERALL HEIGHT | 0.400 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.420 INCHES NOMINAL | | BODY STEPPED INSIDE DIAMETER | 0.156 INCHES NOMINAL FIRST STEP | | 0.188 INCHES NOMINAL SECOND STEP | | MATERIAL | STEEL COMP 440C OVERALL | | SEATING SURFACE SHAPE | FLAT | | SEAL ACCOMMODATION TYPE | GROOVED |
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