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National Stock Number:
4820-00-035-9984
Federal Supply Class:
4820
National Item Identification Number:
000359984
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:
| DB13124 | 14959 | CRANE CO DIV VALVE DIV |
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Techincal Specification:
| BODY INSIDE DIAMETER | 4.250 INCHES MINIMUM AND 4.500 INCHES MAXIMUM | | FLANGE DIAMETER | 5.969 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.625 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 5.500 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 2.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.688 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.688 INCHES NOMINAL |
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