NSN 4820-00-923-6853
Part Details | VALVE SEAT
4820-00-923-6853 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: 894B432PC3, 4820-00-923-6853, 00-923-6853, 4820009236853, 009236853
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 20, 1966 | 00-923-6853 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-00-923-6853
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 894B432PC3 | 01289 | GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT |
Technical Data | NSN 4820-00-923-6853
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 4 THREADED FLANGED |
| FLANGE DIAMETER | 4.937 INCHES MINIMUM AND 4.938 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 3.820 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 2.042 INCHES MINIMUM AND 2.052 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 1.625 INCHES MINIMUM AND 1.627 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.707 INCHES MINIMUM AND 0.717 INCHES MAXIMUM |
| TAPER MINOR DIAMETER | 2.042 INCHES MINIMUM AND 2.052 INCHES MAXIMUM |