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National Stock Number:
4820-00-091-4261
Federal Supply Class:
4820
National Item Identification Number:
000914261
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:
| 21935 | 81982 | HYDRO-AIRE AEROSPACE CORP |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 0.434 INCHES MINIMUM AND | | 0.435 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.324 INCHES MINIMUM AND | | 0.326 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.187 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.065 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.090 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7420 COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SEATING SURFACE SHAPE | FLAT | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81982 | | DESIGN CONTROL REFERENCE | 21935 |
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