NSN 4820-00-404-0422

Part Details | VALVE SEAT

4820-00-404-0422 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: HP11311081, HP1131108-1, HP11311081, HP1131108-1, 4820-00-404-0422, 00-404-0422, 4820004040422, 004040422

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 22, 197200-404-042222113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-00-404-0422
Part Number Cage Code Manufacturer
HP1131108-170236TACTAIR FLUID CONTROLS, INC.
HP1131108-184685TELEDYNE HYDRA-POWERDIV OF TELEDYNE INC
Technical Data | NSN 4820-00-404-0422
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER0.860 INCHES MINIMUM AND 0.861 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.648 INCHES NOMINAL
BODY INSIDE DIAMETER0.312 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.050 INCHES NOMINAL
UNDER FLANGE HEIGHT0.125 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT
FSC APPLICATION DATACONTROL,HYDRAULIC SYSTEM AIRCRAFT