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National Stock Number:
4820-01-458-3799
Federal Supply Class:
4820
National Item Identification Number:
014583799
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:
| 845-7069815 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 845-7069815-21- | 53711 | NAVAL SEA SYSTEMS COMMAND | | 845-769815-21-018 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM | | FLANGE DIAMETER | 0.930 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.188 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-9047 6AL-4V MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.750 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | SPECIAL FEATURES | GLOBE STOP CHECK AND WELD SOCKET;SEAT RING | | STYLE DESIGNATOR | FAUCET | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.078 INCHES MINIMUM AND 0.095 INCHES MAXIMUM SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 15 SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.328 INCHES NOMINAL |
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