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National Stock Number:
4820-00-022-3223
Federal Supply Class:
4820
National Item Identification Number:
000223223
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:
| 140-00 | 55378 | TRAC REGULATOR CO., INC. | | 3046 | 75545 | LAWLER MANUFACTURING COMPANY, INC. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.250 INCHES NOMINAL | | FLANGE DIAMETER | 2.125 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 1.250 INCHES NOMINAL | | MATERIAL | NICKEL OR COPPER ALLOY OVERALL | | NOMINAL THREAD SIZE | 1.625 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 0.750 NOMINAL | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.625 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNEF SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.625 INCHES NOMINAL |
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