NSN 4820-00-776-7989
Part Details | VALVE SEAT
4820-00-776-7989 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: 6760337, 7767989, 4820-00-776-7989, 00-776-7989, 4820007767989, 007767989
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1962 | 00-776-7989 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-00-776-7989
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 6760337 | 73342 | ALLISON TRANSMISSION, INC. |
| 7767989 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 4820-00-776-7989
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 2.000 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.625 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 1.125 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.250 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.609 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 30.000 NOMINAL |