NSN 4820-00-257-5196
Part Details | VALVE SEAT
4820-00-257-5196 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: 2618581, 2618581P1, 4820-00-257-5196, 00-257-5196, 4820002575196, 002575196
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUN 29, 1973 | 00-257-5196 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-00-257-5196
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2618581 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 2618581P1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 4820-00-257-5196
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 0 THREADED FLANGED |
| FLANGE DIAMETER | 0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.188 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.149 INCHES MINIMUM AND 0.159 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | FLAT |
| SEAL ACCOMMODATION TYPE | GROOVED |