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This is the Knape and Vogt Interlok anti-tilt cable accessory for 2-high lateral file drawer systems built on the 8500T, 8505T, 8520T, and 8525T series. It connects the drawer slide system's interlock mechanism so only one drawer can open at a time, preventing the forward tip-over that an overloaded open drawer can cause in a two-drawer lateral file.
A lateral file drawer fully loaded with hanging folders is heavy and positioned well forward of the cabinet's center of gravity when open. In a two-drawer stack, opening the lower drawer while the upper is already extended creates the greatest tip risk. The Interlok cable runs between the drawer slide members and physically prevents a second drawer from releasing while the first is open. The result is a mechanical interlock that operates automatically, without electronics or user action, every time a drawer is pulled.
This cable accessory is part of the Knape and Vogt 8500T lateral file drawer system and is specific to that platform. It fits the 8500T, 8505T, 8520T, and 8525T series slides in a 2-high configuration. Components from other drawer slide brands or other KV series are not compatible. If your cabinet runs a 3-high or 4-high configuration, a different cable length is required for the taller stack — this 21-inch cable is the correct part for 2-high only.
Cabinet shops building or refurbishing lateral file furniture on the 8500T slide system will need this cable to complete the anti-tilt interlock. Office furniture dealers specifying compliant lateral file units and facilities managers replacing worn or missing interlock cables in existing installations will also find this the correct replacement part. Anti-tilt interlocks are required by many office furniture safety standards, so confirming the cable is present and functional matters beyond the initial build.
It is engineered specifically for the Knape and Vogt 8500T, 8505T, 8520T, and 8525T lateral file drawer systems. It will not fit other brands or other KV series — the routing geometry and termination points are series-specific.
Without a functioning interlock cable, both drawers can open at the same time. On a loaded two-drawer lateral file, that creates a tip-over hazard. Replace a missing or damaged cable before putting the cabinet back into service.
No. The 21-inch cable length is matched to the 2-high configuration. Taller stacks require a longer cable with different routing. Order the cable that corresponds to your specific drawer count.
It is sold as a separate accessory. Whether you are completing a new build, replacing a worn cable, or adding the interlock to an existing 8500T installation, this is the part to order for a 2-high lateral file.
A lateral file without a working anti-tilt interlock is a tip hazard waiting to be triggered. This cable closes that gap for any 2-high lateral file built on the KV 8500T platform — a straightforward part that keeps the whole unit behaving the way it should.
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