NSN 4820-01-199-8743
Part Details | VALVE SEAT
4820-01-199-8743 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: 25577369, 2557-73-69, 2557073046S, 2557-073-046-S, 23399REVM PIECE 5 2IN, 23399, 4820-01-199-8743, 01-199-8743, 4820011998743, 011998743
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 26, 1985 | 01-199-8743 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-199-8743
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2557-73-69 | 57574 | VELAN VALVE CORPORATION |
| 2557-073-046-S | 57574 | VELAN VALVE CORPORATION |
| 23399REVM PIECE 5 2IN | 57574 | VELAN VALVE CORPORATION |
| 23399 | 57574 | VELAN VALVE CORPORATION |
Technical Data | NSN 4820-01-199-8743
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 2 THREADED FLANGED |
| FLANGE DIAMETER | 1.828 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.622 INCHES MINIMUM AND 1.625 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.763 INCHES MINIMUM AND 0.764 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.374 INCHES MINIMUM AND 0.383 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 7.000 NOMINAL |