NSN 4820-00-331-9857

Part Details | VALVE SEAT

4820-00-331-9857 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: P1658B, 4820-00-331-9857, 00-331-9857, 4820003319857, 003319857

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-331-985722113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-331-9857
Part Number Cage Code Manufacturer
P1658B70667ATLAS VALVE CO
Technical Data | NSN 4820-00-331-9857
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER1.484 INCHES NOMINAL
BODY INSIDE DIAMETER0.109 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.500 INCHES NOMINAL
UNDER FLANGE HEIGHT1.125 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT
SEAL ACCOMMODATION TYPE GROOVED