NSN 4820-01-429-0421
Part Details | VALVE SEAT
4820-01-429-0421 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: 264378701 FN A5, 2643-787-01 FN A-5, 6408987, 5566408987A5, 556-6408987-A-5, 264378701 FIND, 211084951, 4820-01-429-0421, 01-429-0421, 4820014290421, 014290421
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | APR 04, 1996 | 01-429-0421 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 4820-01-429-0421
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2643-787-01 FN A-5 | 96169 | ELECTRIC BOAT CORPORATION |
| 6408987 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 556-6408987-A-5 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 264378701 FIND | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 211084951 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 4820-01-429-0421
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN |
| OVERALL HEIGHT | 0.250 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.061 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.563 INCHES NOMINAL |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.280 INCHES NOMINAL |
| END ITEM IDENTIFICATION | SEAWOLF CLASS SSN |