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National Stock Number:
4820-00-212-5254
Federal Supply Class:
4820
National Item Identification Number:
002125254
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:
| 240-4801-1036166REVAPC4 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 240-4801-1036171REVAPC4 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 240-4824-1036218REVAPC24 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 2.750 INCHES NOMINAL | | OVERALL HEIGHT | 0.375 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 3.500 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | 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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