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National Stock Number:
4820-01-176-1085
Federal Supply Class:
4820
National Item Identification Number:
011761085
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:
| 3216801 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 429B244 | 01289 | GENERAL ELECTRIC COMPANY | | 429B244-002 | 01289 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 3.500 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 2.875 INCHES NOMINAL | | BODY INSIDE DIAMETER | 1.708 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 1.125 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 1.812 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | NAVY 46 R 5 | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 32.000 NOMINAL | | SEAT RADIUS | 0.625 INCHES NOMINAL |
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