NSN 4820-01-121-1855
Part Details | VALVE SEAT
4820-01-121-1855 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: TB614, F254BPIECE62, F254B-PIECE62, F254B, F-254-B, 4820-01-121-1855, 01-121-1855, 4820011211855, 011211855
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 31, 1981 | 01-121-1855 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-01-121-1855
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| TB614 | 77081 | INGERSOLL-DRESSER PUMP CO |
| F254B-PIECE62 | 77081 | INGERSOLL-DRESSER PUMP CO |
| F-254-B | 77081 | INGERSOLL-DRESSER PUMP CO |
Technical Data | NSN 4820-01-121-1855
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 3.595 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 2.378 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 1.500 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.253 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.562 INCHES NOMINAL |
| SEATING SURFACE SHAPE | FLAT |