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National Stock Number:
4820-01-234-4843
Federal Supply Class:
4820
National Item Identification Number:
012344843
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:
| 23020N | 35795 | LESLIE CONTROLS, INC. | | 23020N PC 23 | 35795 | LESLIE CONTROLS, INC. | | 26913-00-58 | 35795 | LESLIE CONTROLS, INC. |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 3.375 INCHES NOMINAL | | BODY INSIDE DIAMETER | 2.212 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.219 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.704 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI TYPE 316,STELLITE NO. 6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 20.000 NOMINAL | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 3.125 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 14 SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.688 INCHES NOMINAL SINGLE THREADED PORTION | | SPECIAL FEATURES | WITH TWO LUGS,0.438 IN. WIDE BY 0.312 IN. H,SPACED 180 DEG APART |
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