NSN 4820-00-956-1977
Part Details | VALVE SEAT
4820-00-956-1977 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: DC62W, B58929, 4820-00-956-1977, 00-956-1977, 4820009561977, 009561977
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAY 11, 1966 | 00-956-1977 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-00-956-1977
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| DC62W | 16712 | SIEMENS DEMAG DELAVALTURBOMACHINERY, INC. |
| B58929 | 16712 | SIEMENS DEMAG DELAVALTURBOMACHINERY, INC. |
Technical Data | NSN 4820-00-956-1977
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 2.499 INCHES MINIMUM AND 2.500 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 1.989 INCHES MINIMUM AND 1.990 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 1.500 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.750 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 1.250 INCHES NOMINAL |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.209 INCHES MINIMUM AND 0.213 INCHES MAXIMUM |
| TAPER MINOR DIAMETER | 0.562 INCHES MINIMUM AND 0.563 INCHES MAXIMUM |
| TAPER MAJOR DIAMETER | 0.791 INCHES NOMINAL |
| TAPER LENGTH | 1.303 INCHES NOMINAL |
| SEAL ACCOMMODATION TYPE | GROOVED |