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National Stock Number:
4820-00-991-8657
Federal Supply Class:
4820
National Item Identification Number:
009918657
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:
| H-2042 | 16712 | SIEMENS ENERGY, INC. | | H2042PC26 | 16712 | SIEMENS ENERGY, INC. | | KJ62BA | 16712 | SIEMENS ENERGY, INC. |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 3.989 INCHES MINIMUM AND 3.990 INCHES MAXIMUM | | BODY STEPPED INSIDE DIAMETER | 1.750 NOMINAL INCHES FIRST STEP | | BODY STEPPED INSIDE DIAMETER | 2.470 NOMINAL INCHES SECOND STEP | | FLANGE DIAMETER | 4.965 INCHES MINIMUM AND 4.975 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.749 NOMINAL MILS AND 0.751 NOMINAL CENTIMETERS | | FSC APPLICATION DATA | TURBINE,STEAM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-861,CL 410 MIL SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | STELLITE 6 MFR REF SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | STEEL BODY | | MATERIAL | STEEL SEAT | | PROPRIETARY CHARACTERISTICS | PACS | | SEAL ACCOMMODATION TYPE | RECESSED | | SEAT RADIUS | 0.660 INCHES NOMINAL | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 4.000 INCHES NOMINAL |
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