NSN 4820-01-121-1439
Part Details | VALVE SEAT
4820-01-121-1439 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: 876250305 ITEM 7, 87625-0305 ITEM 7, 5184674803 ITEM 7, 518-4674803 ITEM 7, 5184674803, 518-4674803, 5184674803 ITE, 518-4674803 ITE, 4820-01-121-1439, 01-121-1439, 4820011211439, 011211439
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 31, 1981 | 01-121-1439 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-01-121-1439
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 87625-0305 ITEM 7 | 96169 | ELECTRIC BOAT CORPORATION |
| 518-4674803 ITEM 7 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 518-4674803 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 518-4674803 ITE | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-01-121-1439
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 1.000 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.750 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.375 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.090 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 1.260 INCHES NOMINAL |
| SEATING SURFACE SHAPE | O-RING |