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National Stock Number:
4820-00-479-3457
Federal Supply Class:
4820
National Item Identification Number:
004793457
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:
| H2257PC53 | 16712 | SIEMENS ENERGY, INC. | | H2259PC53 | 16712 | SIEMENS ENERGY, INC. | | KJ62ZX2 | 16712 | SIEMENS ENERGY, INC. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.500 INCHES MINIMUM AND 3.501 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 5.989 INCHES MINIMUM AND 5.990 INCHES MAXIMUM | | FLANGE DIAMETER | 7.460 INCHES MINIMUM AND 7.480 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.750 NOMINAL INCHES | | MATERIAL DOCUMENT AND CLASSIFICATION | HAYNES STELLITE NO 6 MFR REF SINGLE MATERIAL RESPONSE FACE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-861,CLASS 405 MIL SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | STEEL BODY | | MATERIAL | STEEL FACE | | PROPRIETARY CHARACTERISTICS | PACS | | SEAT RADIUS | 0.375 INCHES NOMINAL | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | TAPER LENGTH | 6.047 NOMINAL INCHES | | TAPER MAJOR DIAMETER | 4.921 INCHES NOMINAL | | TAPER MINOR DIAMETER | 3.500 INCHES MINIMUM AND 3.501 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 4.547 INCHES NOMINAL |
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