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National Stock Number:
4820-00-336-5489
Federal Supply Class:
4820
National Item Identification Number:
003365489
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:
| 80-D-101 | 71905 | DERBYSHIRE MACHINE & TOOL CO | | A46020 | 11672 | CRANE CO CRANE VALVE AND PARTS DIV | | A46020AA | 11672 | CRANE CO CRANE VALVE AND PARTS DIV | | AL46020-189PC4 | 11672 | CRANE CO CRANE VALVE AND PARTS DIV |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.000 INCHES NOMINAL | | FLANGE DIAMETER | 3.875 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.188 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 3.438 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.438 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 14 SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.438 INCHES NOMINAL |
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