NSN 4820-01-558-8419
Part Details | VALVE SEAT
4820-01-558-8419 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: 8035001003A1114, 803-5001003-A111-4, 8035001003A1XX4, 803-5001003-A1XX-4, 4820-01-558-8419, 01-558-8419, 4820015588419, 015588419
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | NOV 27, 2007 | 01-558-8419 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-01-558-8419
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 803-5001003-A111-4 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 803-5001003-A1XX-4 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 4820-01-558-8419
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 0.995 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.870 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.437 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.850 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.082 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 34.000 MINIMUM AND 36.000 MAXIMUM |
| END ITEM IDENTIFICATION | 0.25 INCH STRAIGHT 2-WAY BALL VALVE; CVN REACTOR BOUNDRY AREA |