NSN 4820-01-120-8271
Part Details | VALVE SEAT
4820-01-120-8271 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: TB613, F254BPIECE61, F254B-PIECE61, F254B, 4820-01-120-8271, 01-120-8271, 4820011208271, 011208271
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 23, 1981 | 01-120-8271 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-01-120-8271
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| TB613 | 77081 | INGERSOLL-DRESSER PUMP CO |
| F254B-PIECE61 | 77081 | INGERSOLL-DRESSER PUMP CO |
| F254B | 77081 | INGERSOLL-DRESSER PUMP CO |
Technical Data | NSN 4820-01-120-8271
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 2.782 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 2.628 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 1.553 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.562 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |