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National Stock Number:
4820-00-887-8232
Federal Supply Class:
4820
National Item Identification Number:
008878232
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:
| 4006 | 22508 | FISHER CONTROLS CO INC | | BB5031 | 22508 | FISHER CONTROLS CO INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.125 INCHES NOMINAL | | FLANGE DIAMETER | 0.562 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.156 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING SEAT | | NOMINAL THREAD SIZE | 0.438 INCHES SINGLE THREADED PORTION | | SPECIAL FEATURES | 2 SLOTS 180 DEG APART0.125 IN. W,0.094 IN. DEPTH LOCATED ON TOP OF FLANGE,0.406 IN. DIA COUNTERSINK 0.094 @DEPTH COUNTERSINK | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD LENGTH | 0.188 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.266 INCHES NOMINAL |
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