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National Stock Number:
4820-00-974-3948
Federal Supply Class:
4820
National Item Identification Number:
009743948
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:
| 101B209CY | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | | 101B209CY-1 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | | 101B209CYPC1 | 24446 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 2.501 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 1.963 INCHES MINIMUM AND | | 1.973 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 1.649 INCHES MINIMUM AND | | 1.655 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.498 INCHES MINIMUM AND | | 0.502 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 1.678 INCHES MINIMUM AND | | 1.682 INCHES MAXIMUM | | MATERIAL | STEEL BODY | | COBALT ALLOY FACE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE | | SEATING SURFACE SHAPE | RADIAL | | SEAT RADIUS | 0.381 INCHES MINIMUM AND | | 0.387 INCHES MAXIMUM | | TAPER MINOR DIAMETER | 1.281 INCHES NOMINAL | | TAPER MAJOR DIAMETER | 1.649 INCHES MINIMUM AND | | 1.655 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 03502 | | DESIGN CONTROL REFERENCE | 101B209CY |
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