NSN 4820-01-290-4469

Part Details | VALVE SEAT

4820-01-290-4469 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: M443258C SH NO 20, M44-3-258C SH NO 20, M443258C SH NO 20, M44-3-258C SH NO 20, 499505560060449, 4820-01-290-4469, 01-290-4469, 4820012904469, 012904469

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48DEC 10, 198801-290-446922113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-290-4469
Part Number Cage Code Manufacturer
M44-3-258C SH NO 203B017AVONDALE INDUSTRIES INCMODULAR CONSTRUCTION DIV
M44-3-258C SH NO 201CC97HUNTINGTON INGALLS INCORPORATEDDIV INGALLS SHIPBUILDING
49950556006044909032TATE ANDALE, INC.
Technical Data | NSN 4820-01-290-4469
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER5.875 INCHES NOMINAL
BODY INSIDE DIAMETER4.625 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.375 INCHES NOMINAL
UNDER FLANGE HEIGHT0.625 INCHES NOMINAL