NSN 4820-00-904-8993

Part Details | VALVE SEAT

4820-00-904-8993 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: 8365631X10PC6, 83656-31X10PC6, 4820-00-904-8993, 00-904-8993, 4820009048993, 009048993

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUN 20, 196600-904-899322113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-00-904-8993
Part Number Cage Code Manufacturer
83656-31X10PC696169ELECTRIC BOAT CORPORATION
Technical Data | NSN 4820-00-904-8993
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT1.000 INCHES NOMINAL
BODY OUTSIDE DIAMETER13.997 INCHES MINIMUM AND 14.000 INCHES MAXIMUM
BODY INSIDE DIAMETER11.000 INCHES MINIMUM AND 11.005 INCHES MAXIMUM
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG30.000 NOMINAL