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National Stock Number:
4810-01-211-3173
Federal Supply Class:
4810
National Item Identification Number:
012113173
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:
| A02R2767-1 | 77272 | THE BOEING COMPANY |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.531 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.683 INCHES MINIMUM AND 0.685 INCHES MAXIMUM | | FLANGE DIAMETER | 0.860 INCHES MINIMUM AND 0.861 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.237 INCHES NOMINAL | | HARDNESS RATING | 41.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 15-5PH OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.238 INCHES NOMINAL |
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