NSN 4820-01-204-9564

Part Details | VALVE SEAT

4820-01-204-9564 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: 803138563712X, 803-1385637-12X, 80313856371208, 803-1385637-12-08, 8031385637, 803-1385637, 4820-01-204-9564, 01-204-9564, 4820012049564, 012049564

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48APR 02, 198501-204-956422113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-204-9564
Part Number Cage Code Manufacturer
803-1385637-12X80064NAVAL SHIP SYSTEMS COMMAND
803-1385637-12-0880064NAVAL SHIP SYSTEMS COMMAND
803-138563780064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4820-01-204-9564
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER13.375 INCHES NOMINAL
BODY INSIDE DIAMETER11.937 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.437 INCHES NOMINAL
UNDER FLANGE HEIGHT0.968 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT