NSN 4820-00-493-1858
Part Details | VALVE SEAT
4820-00-493-1858 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: 13214E6681, 30614E6681, 13214E6681, 4820-00-493-1858, 00-493-1858, 4820004931858, 004931858
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | FEB 13, 1970 | 00-493-1858 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-00-493-1858
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 13214E6681 | 97403 | CECOM LR CENTER |
| 30614E6681 | 91340 | MET-PRO CORPORATION |
| 13214E6681 | 91340 | MET-PRO CORPORATION |
Technical Data | NSN 4820-00-493-1858
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 4 THREADED FLANGED |
| FLANGE DIAMETER | 1.250 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.120 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.256 INCHES MINIMUM AND 0.258 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.220 INCHES MINIMUM AND 0.222 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.368 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | FLAT |