NSN 4820-00-355-7689
Part Details | VALVE SEAT
4820-00-355-7689 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: 227061PC4, 2270-61PC4, 4820-00-355-7689, 00-355-7689, 4820003557689, 003557689
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JAN 30, 1974 | 00-355-7689 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN

Cross Reference | NSN 4820-00-355-7689
Part Number | Cage Code | Manufacturer |
---|---|---|
2270-61PC4 | 43689 | HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS |
Technical Data | NSN 4820-00-355-7689
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | PLAIN |
OVERALL HEIGHT | 0.375 INCHES NOMINAL |
BODY OUTSIDE DIAMETER | 2.906 INCHES NOMINAL |
BODY INSIDE DIAMETER | 1.968 INCHES NOMINAL |
SEATING SURFACE SHAPE | ANGULAR |
SEAT ANGLE IN DEG | 30.000 NOMINAL |
SEAL ACCOMMODATION TYPE | RECESSED |