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National Stock Number:
4820-00-992-0625
Federal Supply Class:
4820
National Item Identification Number:
009920625
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:
| 668J901PC99 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 786D312H02 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 786D312H02 | 88657 | WESTINGHOUSE ELECTRIC CORP POWER GENERATION-TURBINE DIV | | 786D312H02 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 786D312PC2 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 786D312PC2 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| FLANGE DIAMETER | 4.792 INCHES MINIMUM AND 4.802 INCHES MAXIMUM | | FSC APPLICATION DATA | TURBINE,STEAM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CL 410,COND T FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | COBALT ALLOY SEAT | | MATERIAL | STEEL BODY | | SEAT RADIUS | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM | | SEATING SURFACE SHAPE | RADIAL |
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