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National Stock Number: 4810-00-020-2978
Federal Supply Class: 4810
National Item Identification Number: 000202978
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:
580245 | 77445 | RTX CORPORATION |
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Techincal Specification:
BODY INSIDE DIAMETER | 1.890 INCHES MINIMUM AND 1.910 INCHES MAXIMUM | BODY OUTSIDE DIAMETER | 2.280 INCHES MINIMUM AND 2.320 INCHES MAXIMUM | FLANGE DIAMETER | 3.965 INCHES MINIMUM AND 3.969 INCHES MAXIMUM | FLANGE SEAT TO DISK END HEIGHT | 0.064 INCHES MINIMUM AND 0.067 INCHES MAXIMUM | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | STEEL OVERALL | SEAL ACCOMMODATION TYPE | GROOVED | SEATING SURFACE SHAPE | ANGULAR | STYLE DESIGNATOR | PLAIN FLANGED | UNDER FLANGE HEIGHT | 0.167 INCHES MINIMUM AND 0.173 INCHES MAXIMUM |
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