NSN 4820-00-993-5890
Part Details | VALVE SEAT
4820-00-993-5890 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: 101B209RA, 101B209RA, 4820-00-993-5890, 00-993-5890, 4820009935890, 009935890
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAR 28, 1967 | 00-993-5890 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-00-993-5890
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 101B209RA | 24446 | GENERAL ELECTRIC COMPANY |
| 101B209RA | 03502 | GENERAL ELECTRIC CONAVAL AND DRIVE TURBINE SYSTEMS DEPT |
Technical Data | NSN 4820-00-993-5890
| Characteristic | Specifications |
|---|---|
| FLANGE DIAMETER | 2.281 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.936 INCHES MINIMUM AND 1.937 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.750 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 20.000 NOMINAL |
| TAPER MINOR DIAMETER | 1.250 INCHES NOMINAL |
| TAPER MAJOR DIAMETER | 1.562 INCHES NOMINAL |
| TAPER LENGTH | 0.428 INCHES NOMINAL |
| FSC APPLICATION DATA | STEAM TURBINE,ELECTRIC GENERATION |