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National Stock Number:
4820-00-992-0622
Federal Supply Class:
4820
National Item Identification Number:
009920622
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:
| 668J901PC96 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 935B109-2 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 935B109PC2 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 935B109-2 | 88657 | WESTINGHOUSE ELECTRIC CORP POWER GENERATION-TURBINE DIV | | 935B109-2 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 935B109PC2 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| FLANGE DIAMETER | 4.792 INCHES MINIMUM AND | | 4.802 INCHES MAXIMUM | | MATERIAL | STEEL BODY | | COBALT ALLOY SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CL 410,COND T FED SPEC SINGLE MATERIAL RESPONSE BODY | | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT | | SEATING SURFACE SHAPE | RADIAL | | SEAT RADIUS | 0.683 INCHES MINIMUM AND | | 0.693 INCHES MAXIMUM | | FSC APPLICATION DATA | TURBINE,STEAM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 90099 | | DESIGN CONTROL REFERENCE | 935B109-2 |
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