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National Stock Number:
4820-00-215-4722
Federal Supply Class:
4820
National Item Identification Number:
002154722
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:
| 439B750-1 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | | 439B750PC5 | 01289 | GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 5.125 INCHES MINIMUM AND | | 5.126 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 2.260 INCHES NOMINAL | | BODY INSIDE DIAMETER | 3.223 INCHES MINIMUM AND | | 3.225 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.936 INCHES MINIMUM AND | | 0.940 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 2.002 INCHES NOMINAL | | MATERIAL | STEEL BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18410,CLASS A MIL SPEC SINGLE MATERIAL RESPONSE BODY | | HARDNESS RATING | 40.0 ROCKWELL C NOMINAL FACE | | SEATING SURFACE SHAPE | RADIAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 01289 | | DESIGN CONTROL REFERENCE | 439B750PC5 |
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