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National Stock Number:
4820-01-130-5486
Federal Supply Class:
4820
National Item Identification Number:
011305486
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:
| 48-00-42 SH 24 | 1CC97 | HUNTINGTON INGALLS INCORPORATED | | 501-5182474 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5182824 ITEM 6 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 529-5182824 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 529-5182824 ITEM 6 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 10.250 INCHES NOMINAL | | FLANGE DIAMETER | 11.875 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 11.250 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | SPECIAL FEATURES | PROTRUDING CENTER HUB AND 4 EQUALLY SPACED RIBS | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.875 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 1.000 INCHES NOMINAL |
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