NSN 4820-00-657-1522
Part Details | VALVE SEAT
4820-00-657-1522 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: 1624, 1624L, 1624, 4820-00-657-1522, 00-657-1522, 4820006571522, 006571522
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-657-1522 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-00-657-1522
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1624 | 75545 | LAWLER MANUFACTURING CO. INC. |
| 1624L | 55378 | TRAC REGULATORS INC |
| 1624 | 55378 | TRAC REGULATORS INC |
Technical Data | NSN 4820-00-657-1522
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 1.750 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.879 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.375 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 58.000 NOMINAL |