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National Stock Number:
4820-01-067-3585
Federal Supply Class:
4820
National Item Identification Number:
010673585
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:
| SS209-1414508 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | SS209-1414508PC9 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | SS209-1414508PC9 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN THREADED | | OVERALL HEIGHT | 0.750 INCHES NOMINAL | | BODY INSIDE DIAMETER | 3.750 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY A OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 4.875 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.625 INCHES NOMINAL SINGLE THREADED PORTION |
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