NSN 4820-01-128-4189
Part Details | VALVE SEAT
4820-01-128-4189 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: 1D221461, 1D22146-1, 10124584, 4820-01-128-4189, 01-128-4189, 4820011284189, 011284189
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAR 20, 1982 | 01-128-4189 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-128-4189
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1D22146-1 | 18355 | BOEING COMPANY, THEDBA BOEING |
| 10124584 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
Technical Data | NSN 4820-01-128-4189
| Characteristic | Specifications |
|---|---|
| FLANGE DIAMETER | 0.548 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.438 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.144 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.191 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.299 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |