NSN 4820-00-340-0856
Part Details | VALVE SEAT
4820-00-340-0856 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: 8U80185, 8U8018-5, 4820-00-340-0856, 00-340-0856, 4820003400856, 003400856
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-340-0856 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-00-340-0856
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8U8018-5 | 60029 | WOODWARD, INC.DBA WOODWARD HRT |
Technical Data | NSN 4820-00-340-0856
| Characteristic | Specifications |
|---|---|
| FLANGE DIAMETER | 0.558 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 0.433 INCHES MINIMUM AND 0.435 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.890 INCHES MINIMUM AND 0.900 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| SPECIAL FEATURES | 4 BLEED HOLES |
| FSC APPLICATION DATA | VALVE,LINEAR,DIRECTIONAL CONTROL,ACFT |