NSN 4820-01-217-9972
Part Details | VALVE SEAT
4820-01-217-9972 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: P8426A, NAP 804 PIECE 4, NAP 804, 4820-01-217-9972, 01-217-9972, 4820012179972, 012179972
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 06, 1985 | 01-217-9972 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-217-9972
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| P8426A | 70667 | ATLAS VALVE CO |
| NAP 804 PIECE 4 | 70667 | ATLAS VALVE CO |
| NAP 804 | 70667 | ATLAS VALVE CO |
Technical Data | NSN 4820-01-217-9972
| Characteristic | Specifications |
|---|---|
| FLANGE DIAMETER | 4.250 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.688 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.880 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.625 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 1.125 INCHES NOMINAL |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.062 INCHES NOMINAL |