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)
48JAN 30, 197400-355-768922113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-00-355-7689
Part Number Cage Code Manufacturer
2270-61PC443689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
Technical Data | NSN 4820-00-355-7689
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT0.375 INCHES NOMINAL
BODY OUTSIDE DIAMETER2.906 INCHES NOMINAL
BODY INSIDE DIAMETER1.968 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG30.000 NOMINAL
SEAL ACCOMMODATION TYPE RECESSED