NSN 4820-00-678-4345
Part Details | VALVE SEAT
4820-00-678-4345 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: 7027E58AXPC31, 101B354BF1, B3291860REVAPC1, 4820-00-678-4345, 00-678-4345, 4820006784345, 006784345
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-678-4345 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-00-678-4345
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7027E58AXPC31 | 24446 | GENERAL ELECTRIC COMPANY |
| 101B354BF1 | 03502 | GENERAL ELECTRIC CONAVAL AND DRIVE TURBINE SYSTEMS DEPT |
| B3291860REVAPC1 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-00-678-4345
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 2.626 INCHES MINIMUM AND 2.631 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 2.122 INCHES MINIMUM AND 2.123 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 1.448 INCHES MINIMUM AND 1.454 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 1.414 INCHES MINIMUM AND 1.924 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.337 INCHES NOMINAL |
| TAPER MINOR DIAMETER | 1.125 INCHES MINIMUM AND 1.128 INCHES MAXIMUM |
| TAPER MAJOR DIAMETER | 1.448 INCHES MINIMUM AND 1.454 INCHES MAXIMUM |