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National Stock Number:
4820-01-190-5891
Federal Supply Class:
4820
National Item Identification Number:
011905891
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:
| A49529MEB | 11859 | HUNT VALVE COMPANY, INC. | | A49529MEB | 34889 | HUNT VALVE COMPANY INC | | D50092 ITEM 4 | 11859 | HUNT VALVE COMPANY, INC. | | D50092 ITEM 4 | 34889 | HUNT VALVE COMPANY INC | | D50092 | 34889 | HUNT VALVE COMPANY INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 2.969 INCHES NOMINAL | | FLANGE DIAMETER | 4.000 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.593 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A351/CF8M ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD SIZE | 3.625 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 30.000 NOMINAL | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.496 INCHES MINIMUM AND 0.501 INCHES MAXIMUM SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.688 INCHES NOMINAL |
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