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National Stock Number:
4820-01-153-8361
Federal Supply Class:
4820
National Item Identification Number:
011538361
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:
| SS209-1414509 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | SS209-1414509 PIECE 8 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | SS209-1414509PC8 | 17062 | P J VALVES INC | | X5448 | 71905 | DERBYSHIRE MACHINE & TOOL CO | | SS209-1414509PC8 | 81316 | PORTSMOUTH NAVAL SHIPYARD |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.867 INCHES NOMINAL | | OVERALL HEIGHT | 0.762 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286/A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 5.625 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | SEAL ACCOMMODATION TYPE | GROOVED | | STYLE DESIGNATOR | PLAIN THREADED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.605 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |
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