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National Stock Number:
4820-00-369-9885
Federal Supply Class:
4820
National Item Identification Number:
003699885
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:
| 58-A-18-20 | 53553 | AMETEK INC SCHUTTE AND KOERTING DIV | | 58A18REVAPC20 | 53553 | AMETEK INC SCHUTTE AND KOERTING DIV | | 76G0075V | 53553 | AMETEK INC SCHUTTE AND KOERTING DIV |
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Techincal Specification:
| BODY INSIDE DIAMETER | 6.875 INCHES NOMINAL | | OVERALL HEIGHT | 0.810 INCHES MINIMUM AND 0.812 INCHES MAXIMUM | | MATERIAL | COBALT ALLOY FACE | | MATERIAL | STEEL BODY | | NOMINAL THREAD SIZE | 7.625 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN THREADED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.562 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION |
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