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National Stock Number:
4820-00-035-9931
Federal Supply Class:
4820
National Item Identification Number:
000359931
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:
| C4295 | 86184 | GRISWOLD INDUSTRIES | | C4295G | 86184 | GRISWOLD INDUSTRIES |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 2.625 INCHES NOMINAL | | BODY INSIDE DIAMETER | 2.000 INCHES MINIMUM AND | | 2.003 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.219 INCHES MINIMUM AND | | 0.229 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 1.115 INCHES MINIMUM AND | | 1.125 INCHES MAXIMUM | | MATERIAL | COPPER OVERALL | | SEATING SURFACE SHAPE | FLAT | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 2.375 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.297 INCHES MINIMUM FIRST THREADED PORTION | | 0.347 INCHES MAXIMUM SECOND THREADED PORTION | | SPECIAL FEATURES | TWO LUGS EQUALLY SPACED ON PERIMETER OF FLANGE,0.188 IN.H,0.500 IN.W | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 86184 | | DESIGN CONTROL REFERENCE | C4295G |
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