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National Stock Number:
4820-00-571-3718
Federal Supply Class:
4820
National Item Identification Number:
005713718
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:
| 894B361PC2 | 01289 | GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT |
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Techincal Specification:
| BODY INSIDE DIAMETER | 2.578 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 3.680 INCHES NOMINAL | | FLANGE DIAMETER | 4.955 INCHES MINIMUM AND 4.956 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 1.060 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18410,CLASS A MIL SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | COBALT ALLOY FACE | | MATERIAL | STEEL BODY | | SEAT RADIUS | 0.180 INCHES NOMINAL | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 1.320 INCHES NOMINAL |
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