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National Stock Number:
4820-00-923-6852
Federal Supply Class:
4820
National Item Identification Number:
009236852
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:
| 894B432PC2 | 01289 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 4.125 INCHES MINIMUM AND | | 4.126 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 3.000 INCHES NOMINAL | | BODY INSIDE DIAMETER | 1.708 INCHES MINIMUM AND | | 1.718 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 1.625 INCHES MINIMUM AND | | 1.627 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 1.873 INCHES MINIMUM AND | | 1.875 INCHES MAXIMUM | | MATERIAL | COBALT ALLOY FACE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE | | SEATING SURFACE SHAPE | RADIAL | | SEAT RADIUS | 0.620 INCHES MINIMUM AND | | 0.630 INCHES MAXIMUM | | TAPER MINOR DIAMETER | 1.708 INCHES MINIMUM AND | | 1.718 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 01289 | | DESIGN CONTROL REFERENCE | 894B432PC2 |
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