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National Stock Number:
4820-00-678-2828
Federal Supply Class:
4820
National Item Identification Number:
006782828
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:
| 1JC8956-14 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 1JC8956-14 | 88657 | WESTINGHOUSE ELECTRIC CORP POWER GENERATION-TURBINE DIV | | 1JH5052PC44 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 674J654PC79 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 906J007PC52 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 1JC8956-14 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 906J007PC52 | 88657 | WESTINGHOUSE ELECTRIC CORP POWER GENERATION-TURBINE DIV | | 906J007PC52 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 1.480 INCHES MINIMUM AND | | 1.490 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 1.047 INCHES MINIMUM AND | | 1.048 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.578 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.682 INCHES MINIMUM AND | | 0.692 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 0.501 INCHES NOMINAL | | MATERIAL | STEEL BODY | | ROD,WELDING,SURFACING FACE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE | | SEATING SURFACE SHAPE | RADIAL | | SEAT RADIUS | 0.120 INCHES MINIMUM AND | | 0.130 INCHES MAXIMUM | | TAPER MINOR DIAMETER | 0.370 INCHES MINIMUM AND | | 0.380 INCHES MAXIMUM | | TAPER MAJOR DIAMETER | 0.578 INCHES NOMINAL | | SEAL ACCOMMODATION TYPE | GROOVED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 90099 | | DESIGN CONTROL REFERENCE | 1JC8956-14 |
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