NSN 4820-01-220-8633

Part Details | VALVE SEAT

4820-01-220-8633 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: T041957, 4820-01-220-8633, 01-220-8633, 4820012208633, 012208633

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48NOV 21, 198501-220-863322113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-220-8633
Part Number Cage Code Manufacturer
T04195712168NORTHERN INDIANA BUSINESS SERVICES
Technical Data | NSN 4820-01-220-8633
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER3.655 INCHES NOMINAL
BODY INSIDE DIAMETER3.010 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.433 INCHES NOMINAL
UNDER FLANGE HEIGHT0.557 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG55.000 NOMINAL