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National Stock Number:
4820-01-146-4136
Federal Supply Class:
4820
National Item Identification Number:
011464136
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:
| 515-4674133 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 515-4674133 ITEM 1 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 87552-0625 | 96169 | ELECTRIC BOAT CORPORATION | | 87552-0625 ITEM 1 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 9.770 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 12.493 INCHES NOMINAL | | FLANGE DIAMETER | 15.940 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 2.250 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | SPECIAL FEATURES | 9 HOLES,0.531 IN. DIA,DRILL AND C BORE 0.800 IN. DIA;EQUALLY SPACED ON A 14.625 IN. BOLT CIRCLE DIA | | SEAT ANGLE IN DEG | 10.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.250 INCHES NOMINAL |
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