Lincoln Magnum PRO Nozzle 550A, Slip-on, Recess, 3/4 in (19.1 mm) ID KP5130-2-75R Outer Shield the 005-0689 is the correct

the 005-0689 is the correct interface solution

2450 and 3350 Series welding helmets

portable rack footprint fits confined deck spaces

Use an electrode holder rated for the amperage range above (50-80 A)

Confirm G4662-2 / 9SG4662-2 in the applicable Lincoln parts list using the model and code number from the rating plate

Lincoln Magnum PRO Nozzle 550A, Slip-on, Recess, 3/4 in (19.1 mm) ID KP5130-2-75R Outer Shield the 005-0689 is the correctLincoln Magnum PRO Nozzle 550A, Slip on, Recess, 3 4 in (19. 1 mm) ID KP5130 2 75R Magnum PRO 550A Gas Nozzles provide premium expendable performance and keep the front of the welding gun cool after repeated use. Used with Magnum PRO 550A Contact Tips and Diffusers to provide any configuration for your application! Features Spatter Resistant Nickel Plated to minimize spatter adhesion Offered in various sizes and styles for any configuration Compatible