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National Stock Number:
4820-01-039-3225
Federal Supply Class:
4820
National Item Identification Number:
010393225
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:
| 2177917-4-30 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 51150N | 76364 | MILWAUKEE VALVE CO, INC | | 803-2177917 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-2177917 4IN | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177917-4-02 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 810-2177917-4-02 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 84448 | 76364 | MILWAUKEE VALVE CO, INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.937 INCHES NOMINAL | | OVERALL HEIGHT | 0.688 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 4.812 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | SPECIAL FEATURES | WRENCHING FACITLITY CONSISTS OF 4 SLOTS,EQUALLY SPACED,ON THE INSIDE DIAMETER,SLOTS 1/16 IN. DEEP BY 5/16 IN. WIDE | | STYLE DESIGNATOR | PLAIN THREADED | | SURFACE TREATMENT | NICKEL SEAT | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.562 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
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