NSN 4820-00-348-2957
Part Details | VALVE SEAT
4820-00-348-2957 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: 41A69PC149, 40G903, 41A69PC58, 4820-00-348-2957, 00-348-2957, 4820003482957, 003482957
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-348-2957 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-00-348-2957
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 41A69PC149 | 53553 | AMETEK INCSCHUTTE AND KOERTING DIV |
| 40G903 | 53553 | AMETEK INCSCHUTTE AND KOERTING DIV |
| 41A69PC58 | 53553 | AMETEK INCSCHUTTE AND KOERTING DIV |
Technical Data | NSN 4820-00-348-2957
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 7.474 INCHES MINIMUM AND 7.496 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 5.500 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.875 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 1.063 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |
| TAPER MINOR DIAMETER | 5.500 INCHES NOMINAL |
| TAPER MAJOR DIAMETER | 6.250 INCHES NOMINAL |
| TAPER LENGTH | 1.250 INCHES NOMINAL |
| SEAL ACCOMMODATION TYPE | GROOVED |
| SPECIAL FEATURES | TWO LUGS,0.625 IN. SQUARE,WELDED ON 6.25 IN.ID 180 DEGREES APART |