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National Stock Number:
4820-00-529-5989
Federal Supply Class:
4820
National Item Identification Number:
005295989
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:
| 44B3021-740 | 10855 | CARRIER CORP | | 44B3021-740 | 72957 | ELLIOTT COMPANY |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.720 INCHES MINIMUM AND 0.721 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 1.314 INCHES NOMINAL | | FLANGE DIAMETER | 1.750 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COBALT ALLOY FACE | | MATERIAL | STEEL OVERALL | | SEAT RADIUS | 0.216 INCHES NOMINAL | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | TAPER MAJOR DIAMETER | 1.002 INCHES NOMINAL | | TAPER MINOR DIAMETER | 0.720 INCHES MINIMUM AND 0.721 INCHES MAXIMUM | | TAPER LENGTH | 1.136 INCHES MINIMUM AND 1.146 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 1.157 INCHES NOMINAL |
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