NSN 4820-00-104-8640
Part Details | VALVE SEAT
4820-00-104-8640 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: 1298610003, 129861-0003, 4820-00-104-8640, 00-104-8640, 4820001048640, 001048640
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JUN 23, 1968 | 00-104-8640 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN

Cross Reference | NSN 4820-00-104-8640
Part Number | Cage Code | Manufacturer |
---|---|---|
129861-0003 | 99657 | MAROTTA CONTROLS, INC. |
Technical Data | NSN 4820-00-104-8640
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | PLAIN |
OVERALL HEIGHT | 0.4620 INCHES MINIMUM AND 0.4635 INCHES MAXIMUM |
BODY OUTSIDE DIAMETER | 0.5420 INCHES MINIMUM AND 0.5430 INCHES MAXIMUM |
BODY INSIDE DIAMETER | 0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM |
SEATING SURFACE SHAPE | RADIAL |
SEAT RADIUS | 0.5625 INCHES NOMINAL |