NSN 4820-01-159-7021
Part Details | VALVE SEAT
4820-01-159-7021 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: 2158954, 2452712, 2158954, 4820-01-159-7021, 01-159-7021, 4820011597021, 011597021
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | AUG 12, 1983 | 01-159-7021 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-159-7021
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2158954 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 2452712 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 2158954 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 4820-01-159-7021
| Characteristic | Specifications |
|---|---|
| SEATING SURFACE SHAPE | FLAT |
| TAPER MINOR DIAMETER | 0.654 INCHES NOMINAL |
| TAPER MAJOR DIAMETER | 0.940 INCHES NOMINAL |
| TAPER LENGTH | 0.144 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |