NSN 4820-00-890-4971
Part Details | VALVE SEAT
4820-00-890-4971 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: 3B1111, 3B1-11-1, 4820-00-890-4971, 00-890-4971, 4820008904971, 008904971
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | APR 08, 1968 | 00-890-4971 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 4820-00-890-4971
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3B1-11-1 | 85578 | MARK CONTROLS CORPPACIFIC VALVES DIV |
Technical Data | NSN 4820-00-890-4971
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN |
| OVERALL HEIGHT | 0.500 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 3.750 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 2.906 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |