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National Stock Number:
4820-00-348-2957
Federal Supply Class:
4820
National Item Identification Number:
003482957
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:
| 40G903 | 53553 | AMETEK INC SCHUTTE AND KOERTING DIV | | 41A69PC149 | 53553 | AMETEK INC SCHUTTE AND KOERTING DIV | | 41A69PC58 | 53553 | AMETEK INC SCHUTTE AND KOERTING DIV |
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Techincal Specification:
| BODY INSIDE DIAMETER | 5.500 INCHES NOMINAL | | FLANGE DIAMETER | 7.474 INCHES MINIMUM AND 7.496 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.875 INCHES NOMINAL | | NOMINAL THREAD SIZE | 7.000 INCHES SINGLE THREADED PORTION | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SEAL ACCOMMODATION TYPE | GROOVED | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SPECIAL FEATURES | TWO LUGS,0.625 IN. SQUARE,WELDED ON 6.25 IN.ID 180 DEGREES APART | | THREAD LENGTH | 0.875 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 8 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 1.063 INCHES NOMINAL | | STYLE DESIGNATOR | THREADED FLANGED | | TAPER LENGTH | 1.250 INCHES NOMINAL | | TAPER MAJOR DIAMETER | 6.250 INCHES NOMINAL | | TAPER MINOR DIAMETER | 5.500 INCHES NOMINAL |
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