NSN 4820-00-057-6429
Part Details | VALVE SEAT
4820-00-057-6429 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: 18071481, 180714-81, 1807140081, 180714-0081, 4820-00-057-6429, 00-057-6429, 4820000576429, 000576429
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUN 06, 1967 | 00-057-6429 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-00-057-6429
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 180714-81 | 99657 | MAROTTA CONTROLS, INC. |
| 180714-0081 | 99657 | MAROTTA CONTROLS, INC. |
Technical Data | NSN 4820-00-057-6429
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 0 THREADED FLANGED |
| FLANGE DIAMETER | 0.510 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.250 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.374 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.060 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.195 INCHES NOMINAL |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.025 INCHES NOMINAL |