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National Stock Number: 4820-00-993-4028
Federal Supply Class: 4820
National Item Identification Number: 009934028
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:
101B209YY1 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | 101B209YY1 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | 101B209YY1 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | 101B209YY1 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP |
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Techincal Specification:
BODY INSIDE DIAMETER | 2.125 INCHES NOMINAL | BODY OUTSIDE DIAMETER | 3.470 INCHES NOMINAL | FLANGE DIAMETER | 3.501 INCHES NOMINAL | FLANGE SEAT TO DISK END HEIGHT | 0.062 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 | UNDER FLANGE HEIGHT | 0.688 INCHES NOMINAL | STYLE DESIGNATOR | PLAIN FLANGED |
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