NSN 4820-01-493-4689
Part Details | VALVE SEAT
4820-01-493-4689 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: 264340501 ITEM 50, 2643-405-01 ITEM 50, 26408010243, 264080102-43, 2640801X2 PC 43, 2640-801X2 PC 43, 2640801X2, 2640-801X2, 8457285244 ITEM 50, 845-7285244 ITEM 50, 4820-01-493-4689, 01-493-4689, 4820014934689, 014934689
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 08, 2002 | 01-493-4689 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-493-4689
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2643-405-01 ITEM 50 | 96169 | ELECTRIC BOAT CORPORATION |
| 264080102-43 | 96169 | ELECTRIC BOAT CORPORATION |
| 2640-801X2 PC 43 | 96169 | ELECTRIC BOAT CORPORATION |
| 2640-801X2 | 96169 | ELECTRIC BOAT CORPORATION |
| 845-7285244 ITEM 50 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 4820-01-493-4689
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 1 THREADED FLANGED |
| OVERALL HEIGHT | 0.281 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.061 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.562 INCHES NOMINAL |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.281 INCHES NOMINAL |
| END ITEM IDENTIFICATION | WASP CLASS LHD |