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National Stock Number: 4820-01-323-1722
Federal Supply Class: 4820
National Item Identification Number: 013231722
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:
3201871-1 | 11243 | COSMODYNE, LLC | 3201871-1CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
BODY INSIDE DIAMETER | 2.625 INCHES NOMINAL | BODY OUTSIDE DIAMETER | 3.755 INCHES NOMINAL | CRITICALITY CODE JUSTIFICATION | ZZZY | FLANGE DIAMETER | 4.750 INCHES NOMINAL | FLANGE SEAT TO DISK END HEIGHT | 0.090 INCHES NOMINAL | MATERIAL | STEEL COMP 304 OVERALL | PROPRIETARY CHARACTERISTICS | PACS | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D | SEATING SURFACE SHAPE | ANGULAR | SEAT ANGLE IN DEG | 30.000 NOMINAL | STYLE DESIGNATOR | PLAIN FLANGED | UNDER FLANGE HEIGHT | 0.500 INCHES NOMINAL |
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