NSN 4820-01-055-4056
Part Details | VALVE SEAT
4820-01-055-4056 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: 203160, 4820-01-055-4056, 01-055-4056, 4820010554056, 010554056
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | FEB 04, 1978 | 01-055-4056 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-01-055-4056
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 203160 | 86090 | EATON INDUSTRIAL CORPORATIONDBA AIRFRAME |
Technical Data | NSN 4820-01-055-4056
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| BODY OUTSIDE DIAMETER | 0.618 INCHES MINIMUM AND 0.623 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.316 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.900 INCHES MINIMUM AND 0.910 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | FLAT |