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National Stock Number:
4820-00-738-4442
Federal Supply Class:
4820
National Item Identification Number:
007384442
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:
| 101B209FY | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | | 101B209FY PIECE | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | | 101B209FY PIECE | 24446 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.500 INCHES MINIMUM AND 5.503 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 5.375 INCHES NOMINAL | | FLANGE DIAMETER | 6.251 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 1.125 INCHES MINIMUM AND 1.128 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18410 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SEAL ACCOMMODATION TYPE | RECESSED | | SEAT RADIUS | 1.050 INCHES NOMINAL | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | TAPER LENGTH | 3.219 INCHES NOMINAL | | TAPER MAJOR DIAMETER | 4.186 INCHES NOMINAL | | TAPER MINOR DIAMETER | 3.500 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 3.219 INCHES NOMINAL |
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