NSN 4820-00-923-6851
Part Details | VALVE SEAT
4820-00-923-6851 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: 894B432PC1, 4820-00-923-6851, 00-923-6851, 4820009236851, 009236851
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 20, 1966 | 00-923-6851 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-00-923-6851
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 894B432PC1 | 01289 | GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT |
Technical Data | NSN 4820-00-923-6851
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 4 THREADED FLANGED |
| FLANGE DIAMETER | 4.438 INCHES MINIMUM AND 4.439 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 3.260 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 1.398 INCHES MINIMUM AND 1.408 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 | 0.483 INCHES MINIMUM AND 0.493 INCHES MAXIMUM |
| TAPER MINOR DIAMETER | 1.398 INCHES MINIMUM AND 1.408 INCHES MAXIMUM |