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National Stock Number:
4820-01-455-4825
Federal Supply Class:
4820
National Item Identification Number:
014554825
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:
| 6397434 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-6397434-X61 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-6397434-X61XXX-022 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 0.749 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.332 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.094 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.315 INCHES NOMINAL | | MATERIAL | COBALT ALLOY SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-C-24252 MIL SPEC SINGLE MATERIAL RESPONSE SEAT | | SEATING SURFACE SHAPE | FLAT | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 0.765 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 24 SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.094 INCHES NOMINAL SINGLE THREADED PORTION | | SPECIAL FEATURES | COBALT-CHROMIUM TUNGSTEN-NICKEL |
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