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National Stock Number:
4820-00-859-3789
Federal Supply Class:
4820
National Item Identification Number:
008593789
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:
| 1648 | 75545 | LAWLER MANUFACTURING COMPANY, INC. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.500 INCHES NOMINAL | | FLANGE DIAMETER | 2.125 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 1.875 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 32.000 NOMINAL | | SPECIAL FEATURES | FOUR SLOTS EQUALLY SPACED 0.250 IN.W,0.156 IN. DEEP,TWO 0.750 IN. HOLES DRILLED THROUGH | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.375 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 18 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 2.500 INCHES NOMINAL |
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