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National Stock Number:
4820-00-787-1855
Federal Supply Class:
4820
National Item Identification Number:
007871855
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:
| 10109263 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | MC5991 | 62983 | EATON AEROSPACE, LLC | | MC5991 | 76050 | EATON AEROSPACE LLC M C AEROSPACE DIV DBA STERER ENGINEERING |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN | | OVERALL HEIGHT | 0.250 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.340 INCHES MINIMUM AND | | 0.472 INCHES MAXIMUM | | MATERIAL | STEEL COMP 416 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HARDNESS RATING | 80.5 ROCKWELL C MINIMUM AND | | 85.0 ROCKWELL C MAXIMUM OVERALL | | SEAL ACCOMMODATION TYPE | GROOVED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 62983 | | DESIGN CONTROL REFERENCE | MC5991 |
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