NSN 4820-01-268-3280
Part Details | VALVE SEAT
4820-01-268-3280 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: 803438453621B85, 803-4384536-21B-85, 803438453621B13, 803-4384536-21B-13, 4820-01-268-3280, 01-268-3280, 4820012683280, 012683280
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | NOV 27, 1987 | 01-268-3280 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-268-3280
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 803-4384536-21B-85 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 803-4384536-21B-13 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-01-268-3280
| Characteristic | Specifications |
|---|---|
| FLANGE DIAMETER | 0.694 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.205 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.091 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.555 INCHES NOMINAL |
| SEATING SURFACE SHAPE | FLAT |
| SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| END ITEM IDENTIFICATION | TICONDEROGA CLASS CG (47) |