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National Stock Number:
4820-01-158-9315
Federal Supply Class:
4820
National Item Identification Number:
011589315
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:
| 844129 | 62983 | EATON AEROSPACE, LLC | | 844204 | 62983 | EATON AEROSPACE, LLC | | 844204 PIECE 8 | 62983 | EATON AEROSPACE, LLC |
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Techincal Specification:
| BODY STEPPED INSIDE DIAMETER | 0.040 INCHES NOMINAL SECOND STEP | | BODY STEPPED INSIDE DIAMETER | 0.188 INCHES NOMINAL FIRST STEP | | FLANGE DIAMETER | 0.403 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.100 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 0.312 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.250 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.403 INCHES NOMINAL |
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