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The NORTH 4199IRUV5 is a shade 5 welding window designed for use in face shield assemblies on welding and grinding applications. This green-tinted lens filters infrared and UV light at a shade 5 protection level, making it appropriate for light gas welding, torch brazing, and cutting operations. The window measures 17 inches wide and 0.06 inches thick, with a scratch-resistant coating that extends service life in demanding shop and field environments. It meets ANSI Z87.1+ and CSA Z94.3 optical and impact standards. Installation is straightforward and requires no special tools beyond the face shield bracket hardware it is designed to seat into.
This welding window is intended for use with compatible Fibre-Metal cap bracket and hat bracket assemblies, including models commonly found in industrial fabrication, maintenance welding, and light cutting operations. It is sold individually and fits professional face shield frames used by welders, pipefitters, and maintenance technicians in both shop and field settings. The shade 5 rating suits applications where arc intensity is lower, such as oxy-fuel welding and plasma cutting at reduced amperage.
Designed for use with Fibre-Metal F400 Series, Fibre-Metal F500 Series, Fibre-Metal FH66 Aluminum Cap Bracket, Fibre-Metal FM70 Dielectric Cap Bracket, and Fibre-Metal FM71 Dielectric Full Brim Hat Bracket face shield assemblies.
This window is installed by qualified personnel following the face shield manufacturer's frame insertion procedure. Ensure the face shield assembly is fully removed from the welder's person and the work area is clear before swapping lens windows. Inspect the bracket seat and retaining tabs for damage before installing the replacement window. Verify the installed window is seated flush and locked before returning the shield to service.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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