NSN 4820-01-137-8218

Part Details | VALVE SEAT

4820-01-137-8218 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: 67178 1.25IPS SEAT, 028696DC, 4820-01-137-8218, 01-137-8218, 4820011378218, 011378218

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48SEP 02, 198201-137-821822113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-137-8218
Part Number Cage Code Manufacturer
67178 1.25IPS SEAT99565ADMIRAL VALVE, LLCDBA CPV MANUFACTURING
028696DC99565ADMIRAL VALVE, LLCDBA CPV MANUFACTURING
Technical Data | NSN 4820-01-137-8218
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER2.056 INCHES NOMINAL
BODY OUTSIDE DIAMETER2.000 INCHES NOMINAL
BODY INSIDE DIAMETER1.036 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.055 INCHES NOMINAL
UNDER FLANGE HEIGHT0.245 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT