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National Stock Number:
4810-00-994-1535
Federal Supply Class:
4810
National Item Identification Number:
009941535
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:
| 576227 | 77445 | RTX CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.690 INCHES MINIMUM AND 0.692 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.960 INCHES MINIMUM AND 0.970 INCHES MAXIMUM | | FLANGE DIAMETER | 1.400 INCHES MINIMUM AND 1.410 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL | STEEL OVERALL | | SEATING SURFACE SHAPE | FLAT | | UNDER FLANGE HEIGHT | 0.565 INCHES MINIMUM AND 0.595 INCHES MAXIMUM | | STYLE DESIGNATOR | PLAIN FLANGED |
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