Part Details | VALVE SEAT
4820-00-008-7992 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: 113651P20, 4820-00-008-7992, 00-008-7992, 4820000087992, 000087992
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUL 23, 1972 | 00-008-7992 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 4820-00-008-7992
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 113651P20 | 00198 | PRATT & WHITNEY CANADA CIE DIVPRATT& WHITNEY CANADA CORP. |
Technical Data | NSN 4820-00-008-7992
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN |
| OVERALL HEIGHT | 0.462 INCHES MINIMUM AND 0.464 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 3.089 INCHES MINIMUM AND 3.090 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |
| TAPER MINOR DIAMETER | 2.703 INCHES MINIMUM AND 2.713 INCHES MAXIMUM |
| TAPER MAJOR DIAMETER | 2.973 INCHES MINIMUM AND 2.983 INCHES MAXIMUM |
| TAPER LENGTH | 0.368 INCHES MINIMUM AND 0.396 INCHES MAXIMUM |
| SEAL ACCOMMODATION TYPE | GROOVED |
| CRITICALITY CODE JUSTIFICATION | ADAR |
| FSC APPLICATION DATA | ACFT ENG R2000 |