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National Stock Number:
4810-00-488-8644
Federal Supply Class:
4810
National Item Identification Number:
004888644
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:
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN | | OVERALL HEIGHT | 0.265 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 1.233 INCHES MINIMUM AND | | 1.237 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 1.006 INCHES MINIMUM AND | | 1.009 INCHES MAXIMUM | | BODY STEPPED INSIDE DIAMETER | 0.623 INCHES MINIMUM THIRD STEP | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM BODY | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 0.750 NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 89326 | | DESIGN CONTROL REFERENCE | B24909 |
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