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National Stock Number:
4820-00-993-4045
Federal Supply Class:
4820
National Item Identification Number:
009934045
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:
| 101B209YE1 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.500 INCHES MINIMUM AND 0.501 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 1.078 INCHES MINIMUM AND 1.093 INCHES MAXIMUM | | FLANGE DIAMETER | 1.126 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.250 INCHES NOMINAL | | HARDNESS RATING | 183.0 BRINELL STANDARD NOMINAL BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18410,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | COBALT ALLOY FACE | | MATERIAL | STEEL UNS K21590 BODY | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.250 INCHES NOMINAL |
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