NSN 4820-01-169-9681

Part Details | VALVE SEAT

4820-01-169-9681 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: 655948 PIECE 9, 6559-48 PIECE 9, 655948, 6559-48, 5174325727 PIECE 9, 517-4325727 PIECE 9, 5174325727, 517-4325727, 4820-01-169-9681, 01-169-9681, 4820011699681, 011699681

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 18, 198401-169-968122113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN THREADED

Cross Reference | NSN 4820-01-169-9681
Part Number Cage Code Manufacturer
6559-48 PIECE 943689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
6559-4843689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
517-4325727 PIECE 980064NAVAL SHIP SYSTEMS COMMAND
517-432572780064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4820-01-169-9681
Characteristic Specifications
STYLE DESIGNATOR PLAIN THREADED
OVERALL HEIGHT0.375 INCHES NOMINAL
BODY INSIDE DIAMETER3.375 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL