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National Stock Number:
4820-00-194-9915
Federal Supply Class:
4820
National Item Identification Number:
001949915
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:
| 61343 | 20266 | ELKHART BRASS MANUFACTURING COMPANY, LLC | | 80478001 | 20266 | ELKHART BRASS MANUFACTURING COMPANY, LLC |
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Techincal Specification:
| BODY STEPPED INSIDE DIAMETER | 1.500 INCHES NOMINAL SECOND STEP | | BODY STEPPED INSIDE DIAMETER | 1.375 INCHES NOMINAL FIRST STEP | | FLANGE DIAMETER | 1.803 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.400 INCHES NOMINAL | | MATERIAL | COPPER ALLOY BODY | | NOMINAL THREAD SIZE | 1.750 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | SPECIAL FEATURES | WITH WRENCHING FEATURE CONSISTING OF TWO HOLES,0.218 IN. DIA,0.125 IN. DEEP,SPACED 180 DEG APART,1.325 IN. C TO C DISTANCE | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.200 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 24 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.165 INCHES NOMINAL |
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