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National Stock Number:
4820-01-139-1722
Federal Supply Class:
4820
National Item Identification Number:
011391722
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:
| 803-4384536 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-4384536-25B | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-4384536-2XBX-46M0D | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-4384536-2XBX-85MOD | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN THREADED | | OVERALL HEIGHT | 0.391 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.375 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 15.000 NOMINAL | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 0.766 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 24 FIRST THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.203 INCHES NOMINAL SINGLE THREADED PORTION |
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