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National Stock Number:
4820-00-866-6876
Federal Supply Class:
4820
National Item Identification Number:
008666876
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:
| 2481050 | 99551 | GOODRICH CORPORATION | | 2484154 | 99551 | GOODRICH CORPORATION |
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Techincal Specification:
| FLANGE DIAMETER | 1.390 INCHES MINIMUM AND | | 1.410 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.917 INCHES MINIMUM AND | | 0.922 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.745 INCHES MINIMUM AND | | 0.755 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.020 INCHES MINIMUM AND | | 0.040 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 0.090 INCHES MINIMUM AND | | 0.100 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5610 ASSN STD ALL MATERIAL RESPONSES OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C NOMINAL OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 14.000 MINIMUM AND | | 16.000 MAXIMUM | | SPECIAL FEATURES | 3 SLOTS EQUALLY SPACED IN FLANGEDEND,CENTER HOLE ON FLANGED END 0.139 IN. MIN,0.142 IN. MAX DIA,0.075 IN. MIN,0.085 IN. MAX DEEP | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 99551 | | DESIGN CONTROL REFERENCE | 2484154 |
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