NSN 4820-00-737-7971
Part Details | VALVE SEAT
4820-00-737-7971 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: H156333, H15-633-3, 4820-00-737-7971, 00-737-7971, 4820007377971, 007377971
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1961 | 00-737-7971 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-00-737-7971
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| H15-633-3 | 35301 | DRESSER INDUSTRIES INCLEROI DIV |
Technical Data | NSN 4820-00-737-7971
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 2.495 INCHES MINIMUM AND 2.505 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 2.240 INCHES MINIMUM AND 2.250 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 1.058 INCHES MINIMUM AND 1.068 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.016 INCHES NOMINAL |
| SEAL ACCOMMODATION TYPE | GROOVED |
| SPECIAL FEATURES | 12 HOLES,0.281 IN. DIA EQUALLY SPACED |