NSN 4820-00-253-5581
Part Details | VALVE SEAT
4820-00-253-5581 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: 3224941, 4820-00-253-5581, 00-253-5581, 4820002535581, 002535581
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUL 18, 1969 | 00-253-5581 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 4820-00-253-5581
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3224941 | 71454 | FMC TECHNOLOGIES INCDBA FMC FLUID CONTROL |
Technical Data | NSN 4820-00-253-5581
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN |
| OVERALL HEIGHT | 1.709 INCHES MINIMUM AND 1.729 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 3.117 INCHES MINIMUM AND 3.127 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 2.035 INCHES MINIMUM AND 2.045 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 30.000 NOMINAL |
| SPECIAL FEATURES | TWO HOLES THROUGH MIDDLE TO ACCOMODATE BUTTERFLY VALVE STEM |