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National Stock Number:
4820-01-274-1862
Federal Supply Class:
4820
National Item Identification Number:
012741862
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:
| 1118-5 | 30386 | ARROW MACHINE INC | | 1118-5 PIECE 13 | 30386 | ARROW MACHINE INC | | 1118-5-13 | 30386 | ARROW MACHINE INC | | 1118-5 PIECE 13 | 85130 | FLOWSERVE CORPORATION DIV FLOWSERVE US INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 23.875 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 25.250 INCHES SINGLE THREADED PORTION | | OVERALL HEIGHT | 1.094 INCHES NOMINAL | | SPECIAL FEATURES | 8 HOLES DRILL 3/16 IN. DIA;1/4IN. DEEP ON 24 11/16 IN. DIA BOLT CIRCLE | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | STYLE DESIGNATOR | PLAIN THREADED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.656 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
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