NSN 4820-01-256-4879
Part Details | VALVE SEAT
4820-01-256-4879 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: 80101, 801-01, 4820-01-256-4879, 01-256-4879, 4820012564879, 012564879
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUN 05, 1987 | 01-256-4879 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-256-4879
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 801-01 | 55378 | TRAC REGULATORS INC |
Technical Data | NSN 4820-01-256-4879
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 4.375 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 3.875 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.312 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 1.000 INCHES NOMINAL |
| SEATING SURFACE SHAPE | FLAT |