NSN 4820-01-157-5578
Part Details | VALVE SEAT
4820-01-157-5578 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: 80343845361XXX46, 803-4384536-1XXX-46, 80343845361XXX46, 803-4384536-1XXX-46, 4820-01-157-5578, 01-157-5578, 4820011575578, 011575578
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUL 08, 1983 | 01-157-5578 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-157-5578
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 803-4384536-1XXX-46 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 803-4384536-1XXX-46 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-01-157-5578
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 0.719 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.250 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.091 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.315 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 15.500 NOMINAL |