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National Stock Number:
4820-01-236-7191
Federal Supply Class:
4820
National Item Identification Number:
012367191
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:
| 1932-5-4 | 85130 | FLOWSERVE CORPORATION DIV FLOWSERVE US INC | | 1932-5A | 85130 | FLOWSERVE CORPORATION DIV FLOWSERVE US INC | | 1932-5A PIECE 4 | 85130 | FLOWSERVE CORPORATION DIV FLOWSERVE US INC |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 18.875 INCHES NOMINAL | | BODY INSIDE DIAMETER | 2.750 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.875 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.875 INCHES NOMINAL | | MATERIAL | COPPER ALLOY BODY | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 5.000 NOMINAL | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 18.250 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.687 INCHES NOMINAL SINGLE THREADED PORTION |
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