NSN 4820-01-121-0984
Part Details | VALVE SEAT
4820-01-121-0984 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: MC15090, 4820-01-121-0984, 01-121-0984, 4820011210984, 011210984
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 31, 1981 | 01-121-0984 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-121-0984
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MC15090 | 76050 | EATON AEROSPACE LLCM C AEROSPACE DIV |
Technical Data | NSN 4820-01-121-0984
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 1.425 INCHES MINIMUM AND 1.427 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.660 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.510 INCHES MINIMUM AND 0.540 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 1.790 INCHES NOMINAL |
| SEATING SURFACE SHAPE | FLAT |