NSN 4820-01-204-8418
Part Details | VALVE SEAT
4820-01-204-8418 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: 787494, 7874-94, 2620922X2 ASSEMBLY GS PIECE 31, 2620-922X2 ASSEMBLY GS PIECE 31, 2620922X2, 2620-922X2, 1889553 PIECE 31, 1889553, 4820-01-204-8418, 01-204-8418, 4820012048418, 012048418
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAR 30, 1985 | 01-204-8418 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-204-8418
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7874-94 | 96169 | ELECTRIC BOAT CORPORATION |
| 2620-922X2 ASSEMBLY GS PIECE 31 | 96169 | ELECTRIC BOAT CORPORATION |
| 2620-922X2 | 96169 | ELECTRIC BOAT CORPORATION |
| 1889553 PIECE 31 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 1889553 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-01-204-8418
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 3.187 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 2.500 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.187 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.531 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |