NSN 4820-00-974-3948
Part Details | VALVE SEAT
4820-00-974-3948 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: 101B209CYPC1, 101B209CY1, 101B209CY-1, 101B209CY, 4820-00-974-3948, 00-974-3948, 4820009743948, 009743948
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1962 | 00-974-3948 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-00-974-3948
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 101B209CYPC1 | 24446 | GENERAL ELECTRIC COMPANY |
| 101B209CY-1 | 03502 | GENERAL ELECTRIC CONAVAL AND DRIVE TURBINE SYSTEMS DEPT |
| 101B209CY | 03502 | GENERAL ELECTRIC CONAVAL AND DRIVE TURBINE SYSTEMS DEPT |
Technical Data | NSN 4820-00-974-3948
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 2.501 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.963 INCHES MINIMUM AND 1.973 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 1.649 INCHES MINIMUM AND 1.655 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 1.678 INCHES MINIMUM AND 1.682 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.381 INCHES MINIMUM AND 0.387 INCHES MAXIMUM |
| TAPER MINOR DIAMETER | 1.281 INCHES NOMINAL |
| TAPER MAJOR DIAMETER | 1.649 INCHES MINIMUM AND 1.655 INCHES MAXIMUM |