NSN 4820-00-388-1421
Part Details | VALVE SEAT
4820-00-388-1421 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: 95J563PC176, 1504432, 95J571PC34, 4820-00-388-1421, 00-388-1421, 4820003881421, 003881421
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-388-1421 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-00-388-1421
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 95J563PC176 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| 1504432 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| 95J571PC34 | 79500 | WESTINGHOUSE ELECTRIC CORP |
Technical Data | NSN 4820-00-388-1421
| Characteristic | Specifications |
|---|---|
| FLANGE DIAMETER | 1.595 INCHES MINIMUM AND 1.605 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 0.877 INCHES MINIMUM AND 0.878 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.313 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.500 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.625 INCHES NOMINAL |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |