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) |
---|---|---|---|
48 | JAN 22, 1972 | 00-404-0422 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED

Cross Reference | NSN 4820-00-404-0422
Part Number | Cage Code | Manufacturer |
---|---|---|
HP1131108-1 | 70236 | TACTAIR FLUID CONTROLS, INC. |
HP1131108-1 | 84685 | TELEDYNE HYDRA-POWERDIV OF TELEDYNE INC |
Technical Data | NSN 4820-00-404-0422
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | PLAIN FLANGED |
FLANGE DIAMETER | 0.860 INCHES MINIMUM AND 0.861 INCHES MAXIMUM |
BODY OUTSIDE DIAMETER | 0.648 INCHES NOMINAL |
BODY INSIDE DIAMETER | 0.312 INCHES NOMINAL |
FLANGE SEAT TO DISK END HEIGHT | 0.050 INCHES NOMINAL |
UNDER FLANGE HEIGHT | 0.125 INCHES NOMINAL |
SEATING SURFACE SHAPE | FLAT |
FSC APPLICATION DATA | CONTROL,HYDRAULIC SYSTEM AIRCRAFT |