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National Stock Number:
4820-00-761-9031
Federal Supply Class:
4820
National Item Identification Number:
007619031
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:
| 101B209DR2 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | | 101B209DRPC2 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.845 INCHES MINIMUM AND 0.849 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 1.838 INCHES MINIMUM AND 1.848 INCHES MAXIMUM | | FLANGE DIAMETER | 2.375 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE | | MATERIAL | COBALT ALLOY FACE | | MATERIAL | STEEL BODY | | SEAT RADIUS | 0.194 INCHES MINIMUM AND 0.200 INCHES MAXIMUM | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
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