NSN 4820-01-122-3990
Part Details | VALVE SEAT
4820-01-122-3990 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: 266460058, 26646-00-58, 25823N PIECE 21, 4820-01-122-3990, 01-122-3990, 4820011223990, 011223990
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | NOV 20, 1981 | 01-122-3990 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-122-3990
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 26646-00-58 | 35795 | LESLIE CONTROLS, INC. |
| 25823N PIECE 21 | 35795 | LESLIE CONTROLS, INC. |
Technical Data | NSN 4820-01-122-3990
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 4.875 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 3.875 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.340 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.740 INCHES NOMINAL |
| SEATING SURFACE SHAPE | FLAT |