American Lock Portable Combination Locks

Browse the American Lock A400 and A400K portable combination lock options in the School Lock Supply catalog. Keep the brand and exact model visible in a replacement request so the intended lock system can be checked.

How should schools compare portable lock options?

Start with the locker’s padlock eye and available clearance, then confirm student operation and staff-access requirements on the selected model. Do not assume that similar-looking locks accept the same control key or fit the same hardware.

For Master Lock alternatives, see Master Lock portable combination padlocks. If you are identifying an existing lock, use our replacement lock checklist.

request a quote with your model, quantities and locker details. Existing key information should be handled privately.