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National Stock Number:
4820-00-797-7583
Federal Supply Class:
4820
National Item Identification Number:
007977583
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:
| H2372PC23 | 16712 | SIEMENS ENERGY, INC. | | KJ62AJX1 | 16712 | SIEMENS ENERGY, INC. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.932 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 2.489 INCHES MINIMUM AND 2.490 INCHES MAXIMUM | | FLANGE DIAMETER | 3.499 INCHES MINIMUM AND 3.500 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-861,CLASS 405 MIL SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | COBALT ALLOY FACE | | MATERIAL | STEEL BODY | | SEAT RADIUS | 0.375 INCHES NOMINAL | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 2.970 INCHES NOMINAL |
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