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National Stock Number:
4820-01-229-4212
Federal Supply Class:
4820
National Item Identification Number:
012294212
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:
| W-559904 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | | W-5599042 PIECE 11 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | | W-5599042-11 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT |
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Techincal Specification:
| BODY STEPPED INSIDE DIAMETER | 2.125 INCHES NOMINAL FIRST STEP | | FLANGE DIAMETER | 2.594 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD SIZE | 2.375 INCHES SINGLE THREADED PORTION | | SPECIAL FEATURES | 4 SLOTS ON SEAT SURFACE EQUALLY SPACED 0.375 IN. WIDE AND 0.156 IN. DEEP | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.375 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.375 INCHES NOMINAL |
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