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National Stock Number:
4820-00-992-9485
Federal Supply Class:
4820
National Item Identification Number:
009929485
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:
| 101C428AA1 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | | 101C428AA1 | 24446 | GENERAL ELECTRIC COMPANY | | 101C428AAPC1 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | | 101C428AAPC1 | 24446 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 3.747 INCHES MINIMUM AND 3.748 INCHES MAXIMUM | | BODY STEPPED INSIDE DIAMETER | 2.250 INCHES NOMINAL FIRST STEP | | BODY STEPPED INSIDE DIAMETER | 2.680 INCHES NOMINAL SECOND STEP | | FLANGE DIAMETER | 4.2510 INCHES MINIMUM AND 4.2515 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.500 INCHES NOMINAL | | FSC APPLICATION DATA | TURBINE,STEAM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-853 MIL SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | RUBBER SEAT | | MATERIAL | STEEL BODY | | SEAT RADIUS | 0.672 INCHES MINIMUM AND 0.678 INCHES MAXIMUM | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 2.250 INCHES NOMINAL |
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