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National Stock Number:
4820-01-003-4345
Federal Supply Class:
4820
National Item Identification Number:
010034345
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:
| 3863048-1 | 33068 | TRIUMPH ACTUATION SYSTEMS - CONNECTICUT, LLC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.189 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.183 INCHES MINIMUM AND 0.184 INCHES MAXIMUM | | FLANGE DIAMETER | 0.374 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM | | HARDNESS RATING | 350.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL | STEEL COMP 440C OVERALL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN FLANGED | | SURFACE TREATMENT | PASSIVATE OVERALL | | UNDER FLANGE HEIGHT | 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
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