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National Stock Number:
4820-01-290-9222
Federal Supply Class:
4820
National Item Identification Number:
012909222
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:
| 803-1385541 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385541-041-04 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385541-04X-04 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385541-04X-26 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | NICKEL ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM 494 GRADE M30H ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL |
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