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National Stock Number:
4820-00-956-1542
Federal Supply Class:
4820
National Item Identification Number:
009561542
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:
| 672J564PC82 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 672J564PC82 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 790D191-04 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 790D191H04 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | MATERIAL | STEEL BODY | | COBALT ALLOY FACE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 410 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 | 0.433 INCHES MINIMUM AND | | 0.443 INCHES MAXIMUM | | TAPER MINOR DIAMETER | 1.370 INCHES MINIMUM AND | | 1.380 INCHES MAXIMUM | | TAPER MAJOR DIAMETER | 1.875 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 90099 | | DESIGN CONTROL REFERENCE | 790D191H04 |
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