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National Stock Number:
4820-00-001-9549
Federal Supply Class:
4820
National Item Identification Number:
000019549
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:
| 223778 | 79318 | MEGGITT NORTH HOLLYWOOD INC |
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Techincal Specification:
| THREAD LENGTH | 0.160 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.127 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | FLANGE DIAMETER | 0.500 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 0.312 INCHES SINGLE THREADED PORTION | | SEAL ACCOMMODATION TYPE | GROOVED | | SEAT RADIUS | 0.187 INCHES NOMINAL | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | SURFACE TREATMENT | PASSIVATE OVERALL |
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