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National Stock Number:
4820-01-063-1895
Federal Supply Class:
4820
National Item Identification Number:
010631895
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:
| 2640-820X8PC3 | 96169 | ELECTRIC BOAT CORPORATION | | 803-2178493 PIECE 30 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 810-2178493 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 810-2178493PIECE3 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-2178493-A-3 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| OVERALL HEIGHT | 0.358 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 3.873 INCHES NOMINAL | | BODY INSIDE DIAMETER | 3.430 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | SEATING SURFACE SHAPE | FLAT | | SPECIAL FEATURES | ID.COUNTERBORED TO 3.500 IN.DIA.AND 0.312 IN.DEPTH | | STYLE DESIGNATOR | PLAIN |
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