NSN 4820-01-020-9880
Part Details | VALVE SEAT
4820-01-020-9880 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: 134B509FY, B708E01A, 4820-01-020-9880, 01-020-9880, 4820010209880, 010209880
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAY 07, 1976 | 01-020-9880 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-020-9880
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 134B509FY | 03502 | GENERAL ELECTRIC CONAVAL AND DRIVE TURBINE SYSTEMS DEPT |
| B708E01A | 03502 | GENERAL ELECTRIC CONAVAL AND DRIVE TURBINE SYSTEMS DEPT |
Technical Data | NSN 4820-01-020-9880
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 4A THREADED FLANGED |
| FLANGE DIAMETER | 2.6260 INCHES MINIMUM AND 2.6265 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 2.046 INCHES MINIMUM AND 2.062 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 1.437 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.482 INCHES NOMINAL |
| SEAT RADIUS | 0.337 INCHES NOMINAL |