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National Stock Number:
4820-00-874-6078
Federal Supply Class:
4820
National Item Identification Number:
008746078
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:
| 35-59119 | 81982 | HYDRO-AIRE AEROSPACE CORP |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 0.645 INCHES MINIMUM AND | | 0.653 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.495 INCHES MINIMUM AND | | 0.499 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.147 INCHES MINIMUM AND | | 0.152 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.088 INCHES MINIMUM AND | | 0.095 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 0.348 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SEATING SURFACE SHAPE | FLAT |
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