NSN 4820-01-180-2901

Part Details | VALVE SEAT

4820-01-180-2901 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: N7343B, N-7343B, N7343, N-7343, 4820-01-180-2901, 01-180-2901, 4820011802901, 011802901

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAY 25, 198401-180-290122113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-180-2901
Part Number Cage Code Manufacturer
N-7343B21013METREX VALVE CORP.
N-734321013METREX VALVE CORP.
Technical Data | NSN 4820-01-180-2901
Characteristic Specifications
STYLE DESIGNATOR0A THREADED FLANGED
FLANGE DIAMETER0.981 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.803 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.873 INCHES NOMINAL
UNDER FLANGE HEIGHT0.224 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL
SEAL ACCOMMODATION TYPE GROOVED