NSN 4820-00-794-2777
Part Details | VALVE SEAT
4820-00-794-2777 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: 439B750PC3, 356C6903, 356C690-3, 439B750PC3, 356C6903, 356C690-3, 4820-00-794-2777, 00-794-2777, 4820007942777, 007942777
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1960 | 00-794-2777 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-00-794-2777
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 439B750PC3 | 24446 | GENERAL ELECTRIC COMPANY |
| 356C690-3 | 24446 | GENERAL ELECTRIC COMPANY |
| 439B750PC3 | 01289 | GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT |
| 356C690-3 | 01289 | GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT |
Technical Data | NSN 4820-00-794-2777
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 4.750 INCHES MINIMUM AND 4.751 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 3.938 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 3.013 INCHES MINIMUM AND 3.015 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.938 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 2.000 INCHES NOMINAL |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 1.500 INCHES NOMINAL |