NSN 4820-00-859-3789
Part Details | VALVE SEAT
4820-00-859-3789 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: 1648, 4820-00-859-3789, 00-859-3789, 4820008593789, 008593789
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 06, 1967 | 00-859-3789 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-00-859-3789
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1648 | 75545 | LAWLER MANUFACTURING CO. INC. |
Technical Data | NSN 4820-00-859-3789
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 2.125 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 1.500 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 2.500 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 32.000 NOMINAL |
| SPECIAL FEATURES | FOUR SLOTS EQUALLY SPACED 0.250 IN.W,0.156 IN. DEEP,TWO 0.750 IN. HOLES DRILLED THROUGH |