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National Stock Number:
4820-00-215-4723
Federal Supply Class:
4820
National Item Identification Number:
002154723
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:
| 439B750PC2 | 01289 | GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT | | 439B750PC2 | 24446 | GENERAL ELECTRIC COMPANY | | 439B750PC6 | 01289 | GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT | | 439B750PC8 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT |
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Techincal Specification:
| FLANGE DIAMETER | 6.750 INCHES MINIMUM AND 6.751 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.936 INCHES MINIMUM AND 0.940 INCHES MAXIMUM | | HARDNESS RATING | 40.0 ROCKWELL C NOMINAL FACE | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 2.260 INCHES NOMINAL |
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