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National Stock Number:
4820-00-795-0918
Federal Supply Class:
4820
National Item Identification Number:
007950918
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:
| 142650 | 79318 | MEGGITT NORTH HOLLYWOOD INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.125 INCHES MINIMUM AND 0.126 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.285 INCHES NOMINAL | | FLANGE DIAMETER | 0.496 INCHES MINIMUM AND 0.497 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.176 INCHES MINIMUM AND 0.178 INCHES MAXIMUM | | MATERIAL | STEEL COMP 440C OVERALL | | III FSC APPLICATION DATA | VALVE,DIRECTIONAL,HYDRAULIC SYSTEM,AIRCRAFT | | PROPRIETARY CHARACTERISTICS | PACS | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | THREADED FLANGED | | SURFACE TREATMENT | PASSIVATE OVERALL | | UNDER FLANGE HEIGHT | 0.026 INCHES MINIMUM AND 0.027 INCHES MAXIMUM |
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