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National Stock Number:
4820-00-476-3651
Federal Supply Class:
4820
National Item Identification Number:
004763651
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:
| 142831 | 79318 | MEGGITT NORTH HOLLYWOOD INC |
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Techincal Specification:
| FLANGE SEAT TO DISK END HEIGHT | 0.068 INCHES MINIMUM AND 0.072 INCHES MAXIMUM | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM OVERALL AND 60.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL | STEEL COMP 440C OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | SEATING SURFACE SHAPE | FLAT | | SURFACE TREATMENT | PASSIVATE OVERALL | | UNDER FLANGE HEIGHT | 0.233 INCHES MINIMUM AND 0.240 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.190 INCHES MINIMUM AND 0.193 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.370 INCHES MINIMUM AND 0.372 INCHES MAXIMUM | | FLANGE DIAMETER | 0.480 INCHES MINIMUM AND 0.485 INCHES MAXIMUM |
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