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National Stock Number:
4820-01-169-9681
Federal Supply Class:
4820
National Item Identification Number:
011699681
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:
| 517-4325727 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 517-4325727 PIECE 9 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 6559-48#AY 99 PC9 | 09032 | TATE ANDALE, LLC | | 6559-48 | 43689 | HUNTINGTON INGALLS INC | | 6559-48 PIECE 9 | 43689 | HUNTINGTON INGALLS INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.375 INCHES NOMINAL | | OVERALL HEIGHT | 0.375 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 3.688 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN THREADED | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.250 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |
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