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National Stock Number:
4820-01-121-1439
Federal Supply Class:
4820
National Item Identification Number:
011211439
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:
| 518-4674803 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 518-4674803 ITE | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 518-4674803 ITEM 7 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 87625-0305 ITEM 7 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 1.000 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.750 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.375 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.090 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 1.260 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OVERALL | | SEATING SURFACE SHAPE | O-RING |
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