NSN 4820-01-057-6898
Part Details | VALVE SEAT
4820-01-057-6898 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: 2640929X1PC9, 2640-929X1PC9, SS8452444643CPC9, SS845-2444643CPC9, SS8452444643CP, SS845-2444643CP, 4820-01-057-6898, 01-057-6898, 4820010576898, 010576898
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAR 17, 1978 | 01-057-6898 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-057-6898
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2640-929X1PC9 | 96169 | ELECTRIC BOAT CORPORATION |
| SS845-2444643CPC9 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| SS845-2444643CP | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 4820-01-057-6898
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 1 THREADED FLANGED |
| OVERALL HEIGHT | 0.547 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 4.875 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 4.500 INCHES MINIMUM AND 4.502 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | FLAT |