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National Stock Number:
4820-00-985-4676
Federal Supply Class:
4820
National Item Identification Number:
009854676
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:
| 2063 | 13881 | CRANE CO FLOMATICS DIV |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.500 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 1.800 INCHES NOMINAL | | FLANGE DIAMETER | 2.250 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.156 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD SIZE | 1.875 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.312 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 14 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.438 INCHES NOMINAL |
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