4820-01-241-2012 SEAT,VALVE Index 4820-01-241-2014 SEAT,VALVE

National Stock Number:
4820-01-241-2013

Federal Supply Class:
4820

National Item Identification Number:
012412013

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:
17498299657MAROTTA CONTROLS INC
174982CP03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
174982CP99657MAROTTA CONTROLS INC


Techincal Specification:
BODY OUTSIDE DIAMETER0.317 INCHES MINIMUM
CRITICALITY CODE JUSTIFICATIONZZZY
FLANGE DIAMETER0.434 INCHES MINIMUM
FLANGE SEAT TO DISK END HEIGHT0.070 INCHES NOMINAL
MATERIALPLASTIC OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
SEATING SURFACE SHAPERADIAL
SEAT RADIUS0.002 INCHES MAXIMUM
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT0.213 INCHES MINIMUM


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