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National Stock Number:
4820-01-219-4320
Federal Supply Class:
4820
National Item Identification Number:
012194320
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:
| F05428 | 85130 | FLOWSERVE CORPORATION DIV FLOWSERVE US INC | | F05428 ITEM 13 3IN | 85130 | FLOWSERVE CORPORATION DIV FLOWSERVE US INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 2.750 INCHES NOMINAL | | FLANGE DIAMETER | 3.875 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.218 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 410 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 3.500 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.312 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.625 INCHES NOMINAL |
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