NSN 4820-01-439-8873

Part Details | VALVE SEAT

4820-01-439-8873 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: 121449, 4820-01-439-8873, 01-439-8873, 4820014398873, 014398873

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48DEC 22, 199601-439-887322113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-439-8873
Part Number Cage Code Manufacturer
12144995368AERCO INTERNATIONAL, INC.
Technical Data | NSN 4820-01-439-8873
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER0.625 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.365 INCHES NOMINAL
BODY INSIDE DIAMETER0.125 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.093 INCHES NOMINAL
UNDER FLANGE HEIGHT0.562 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT
END ITEM IDENTIFICATIONMARS CLASS AFS