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National Stock Number:
4820-00-104-7079
Federal Supply Class:
4820
National Item Identification Number:
001047079
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:
| 101B209DDP1N702 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 101B209DDPC1 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | | PL501E456ABPC24 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 4.779 INCHES MINIMUM AND 4.785 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 5.468 INCHES NOMINAL | | FLANGE DIAMETER | 7.496 INCHES MINIMUM AND 7.500 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 2.625 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-N-6710,COND E,FINISH 4 MIL SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | NICKEL ALLOY BODY | | SEAT RADIUS | 1.197 INCHES MINIMUM AND 1.203 INCHES MAXIMUM | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | THREADED FLANGED | | UNDER FLANGE HEIGHT | 1.788 INCHES NOMINAL |
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