NSN 4820-01-254-2983
Part Details | VALVE SEAT
4820-01-254-2983 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: T214861, T21486-1, 4820-01-254-2983, 01-254-2983, 4820012542983, 012542983
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAY 05, 1987 | 01-254-2983 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-254-2983
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| T21486-1 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
Technical Data | NSN 4820-01-254-2983
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 0 THREADED FLANGED |
| FLANGE DIAMETER | 0.486 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.486 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.200 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.080 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.230 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 30.000 NOMINAL |
| END ITEM IDENTIFICATION | B-1B AIRCRAFT |
| FSC APPLICATION DATA | AIRCRAFT HYDRAULIC VACUUM DEICING SYSTEMS |