NSN 4820-01-178-9685
Part Details | VALVE SEAT
4820-01-178-9685 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: 8452110254ASSYRF12INPC26, 845-2110254ASSYRF1-2INPC26, 8452110254, 845-2110254, 4820-01-178-9685, 01-178-9685, 4820011789685, 011789685
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAY 12, 1984 | 01-178-9685 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-01-178-9685
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 845-2110254ASSYRF1-2INPC26 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 845-2110254 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-01-178-9685
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 0.937 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.828 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.500 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.188 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.312 INCHES NOMINAL |
| SEATING SURFACE SHAPE | FLAT |