NSN 4820-01-203-4789
Part Details | VALVE SEAT
4820-01-203-4789 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: 2620920X3 PIECE 4, 2620-920X3 PIECE 4, 2620920X3, 2620-920X3, 2620920X3 PIECE 4, 2620-920X3 PIECE 4, 8451889552 PIECE 4, 845-1889552 PIECE 4, 8451889552, 845-1889552, 4820-01-203-4789, 01-203-4789, 4820012034789, 012034789
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAR 14, 1985 | 01-203-4789 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 4820-01-203-4789
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2620-920X3 PIECE 4 | 96169 | ELECTRIC BOAT CORPORATION |
| 2620-920X3 | 96169 | ELECTRIC BOAT CORPORATION |
| 2620-920X3 PIECE 4 | 81982 | HYDRO-AIRE, INC. |
| 845-1889552 PIECE 4 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 845-1889552 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-01-203-4789
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN |
| OVERALL HEIGHT | 0.655 INCHES MINIMUM AND 0.658 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 1.310 INCHES MINIMUM AND 1.313 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.960 INCHES NOMINAL |
| SEATING SURFACE SHAPE | FLAT |