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National Stock Number:
4820-00-479-3454
Federal Supply Class:
4820
National Item Identification Number:
004793454
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:
| H2252PC25 | 16712 | SIEMENS ENERGY, INC. | | H2907PC25 | 16712 | SIEMENS ENERGY, INC. | | KJ62RX2 | 16712 | SIEMENS ENERGY, INC. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.164 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 4.489 INCHES MINIMUM AND 4.490 INCHES MAXIMUM | | FLANGE DIAMETER | 5.499 INCHES MINIMUM AND 5.500 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.749 NOMINAL MILS AND 0.751 NOMINAL CENTIMETERS | | 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 | 0.842 INCHES MINIMUM AND 0.846 INCHES MAXIMUM | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | TAPER LENGTH | 3.625 NOMINAL INCHES | | TAPER MAJOR DIAMETER | 3.164 INCHES NOMINAL | | TAPER MINOR DIAMETER | 2.250 INCHES MINIMUM AND 2.251 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 3.625 INCHES NOMINAL |
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