NSN 4820-00-420-8445
Part Details | VALVE SEAT
4820-00-420-8445 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: 1719, 4820-00-420-8445, 00-420-8445, 4820004208445, 004208445
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAR 10, 1969 | 00-420-8445 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-00-420-8445
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1719 | 94874 | DROITCOUR COMPANY |
Technical Data | NSN 4820-00-420-8445
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 0.154 INCHES MINIMUM AND 0.157 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.066 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.058 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | FLAT |
| SEAL ACCOMMODATION TYPE | RECESSED |
| END ITEM IDENTIFICATION | 16508789158,A-7D |
| FSC APPLICATION DATA | ACFT HYDRAULIC SYSTEM |