Part Details | VALVE SEAT
4810-00-020-2978 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: 580245, 4810-00-020-2978, 00-020-2978, 4810000202978, 000202978
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | APR 29, 1967 | 00-020-2978 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4810-00-020-2978
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 580245 | 77445 | UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS |
Technical Data | NSN 4810-00-020-2978
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 3.965 INCHES MINIMUM AND 3.969 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 2.280 INCHES MINIMUM AND 2.320 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 1.890 INCHES MINIMUM AND 1.910 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.064 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.167 INCHES MINIMUM AND 0.173 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAL ACCOMMODATION TYPE | GROOVED |