NSN 4820-00-136-8683
Part Details | VALVE SEAT
4820-00-136-8683 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: 3224953, 4820-00-136-8683, 00-136-8683, 4820001368683, 001368683
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JAN 22, 1969 | 00-136-8683 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN

Cross Reference | NSN 4820-00-136-8683
Part Number | Cage Code | Manufacturer |
---|---|---|
3224953 | 71454 | FMC TECHNOLOGIES INCDBA FMC FLUID CONTROL |
Technical Data | NSN 4820-00-136-8683
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | PLAIN |
OVERALL HEIGHT | 2.584 INCHES MINIMUM AND 2.604 INCHES MAXIMUM |
BODY OUTSIDE DIAMETER | 9.612 INCHES MINIMUM AND 9.627 INCHES MAXIMUM |
BODY INSIDE DIAMETER | 8.018 INCHES MINIMUM AND 8.032 INCHES MAXIMUM |
SEATING SURFACE SHAPE | ANGULAR |
SEAT ANGLE IN DEG | 30.000 NOMINAL |