NSN 4820-00-004-8139

Part Details | VALVE SEAT

4820-00-004-8139 A replaceable item designed to provide a 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.

Alternate Parts: 2181402BUNAN, 218-14-02BUNAN, 002181400030005, 002-18-14-0003-0005, 002181400030005, 002-18-14-0003-0005, 4820-00-004-8139, 00-004-8139, 4820000048139, 000048139

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUN 07, 197200-004-813922113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-00-004-8139
Part Number Cage Code Manufacturer
218-14-02BUNAN16626CIRCOR INTL INC
002-18-14-0003-000516626CIRCOR INTL INC
002-18-14-0003-000535795LESLIE CONTROLS, INC.
Technical Data | NSN 4820-00-004-8139
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER2.430 INCHES NOMINAL
BODY OUTSIDE DIAMETER2.180 INCHES NOMINAL
BODY INSIDE DIAMETER1.250 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.130 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG0.583 NOMINAL