4820-01-323-1721 SEAT,VALVE Index 4320-01-323-1723 PUMP UNIT,CENTRIFUGAL

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.


Manufacturer Information:
3201871-111243COSMODYNE, LLC
3201871-1CP03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
BODY INSIDE DIAMETER2.625 INCHES NOMINAL
BODY OUTSIDE DIAMETER3.755 INCHES NOMINAL
CRITICALITY CODE JUSTIFICATIONZZZY
FLANGE DIAMETER4.750 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.090 INCHES NOMINAL
MATERIALSTEEL COMP 304 OVERALL
PROPRIETARY CHARACTERISTICSPACS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG30.000 NOMINAL
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT0.500 INCHES NOMINAL


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