Two different situations bring people to Lista lock questions, and they have opposite answers. If you still have at least one key, you are in the easy case: the key code is printed on it, and any commercial locksmith can duplicate it (we do not cut keys). If every key is gone, you are in the case this page exists for, and the answer is not a locksmith and not a special tool. It is a ten minute lock swap.
Before anything else: if every drawer locked at once and the key turns without effect, or the cabinet arrived "locked" from an auction, the lock bar has probably bounced and a thin metal ruler will open it with no key. See how to open a Lista cabinet that locked itself. Come back here if the lock itself is the problem.
How a Lista lock works
Every Lista cabinet, from a small pedestal to a full height floor cabinet, uses the same lock. It is simpler than it looks from the outside: the key turns a cylinder, the cylinder turns a square rod, and the rod throws a single bar that locks every drawer at once. Here is every part, numbered to match the diagram.
| 1 | Key. The only place the key number lives. Standard keys read YNSX plus a number. New locks and cores ship with their keys. |
| 2 | Spring clip (U-clip). A flat steel clip with two prongs. It slides over the back of the lock from inside the cabinet and holds the lock tight against the cabinet face. This one part is all that keeps the lock in the cabinet. |
| 3 | Cylinder lock. The chrome core with the keyhole, carried in a gray housing. The face is what you see on the front of the cabinet; a square hole in the back takes the lock rod. The core inside is interchangeable, which is what the core release tool works on. |
| 4 | Aluminum lock rod. A square bar that carries the turn of the key back into the cabinet. It is reused when you replace a lock. |
| 5 | Plastic rotor. Sits on the end of the rod at the lock bar. Its tab is what actually moves the bar. With the key slot straight up, the tab points straight down at 6 o'clock. Also reused. |
| 6 | Vertical lock bar. Runs the height of the cabinet. When the rotor moves it, it blocks or frees every drawer at once. When a slammed drawer bounces this bar, the whole cabinet locks itself without the key being turned. |
The inset in Figure 1 shows the older style: a round threaded gland nut and a plastic retainer clip on the back of the lock. If your cabinet has those, see older locks with a gland nut below. The spring clip replaces both.
First, identify what you have
Pick up any key that belongs to the cabinet and read it. Standard Lista locks carry a code starting with YNSX plus a number: YNSX05, YNSX-25, and so on. That suffix is your key number, a YNSX-25 lock takes "a 25 key," and a locksmith can duplicate a standard-series key you still have. Master keyed systems carry their own numbering on the key; if yours does not read YNSX, email a photo of the key to hello@deltaindustrialstorage.com and we will identify the system.
Here is the part that surprises everyone, and it is the single most useful fact on this page: the lock itself shows no number. Not on the face, not on the core. The key number exists in exactly one place, on the keys. Which leads directly to the next section.
Lost every key? Replace the lock. Here is why.
With no key and no number, there is nothing to cut a replacement from, and no amount of squinting at the lock will produce a code that is not there. So skip the dead end: a complete replacement lock (the new core, the gray housing that carries it, and new keys) costs little and swaps in behind the top drawer in about ten minutes. No core release tool, no locksmith visit for the swap itself, no drilling.
One fork in the road first: if the cabinet is locked shut, a local locksmith picks it open without damage, that part is routine, and then you do the swap below. If the cabinet is open, go straight to the swap.
The 10 minute lock swap
Step 1: Order the new lock
Complete replacement locks are on our keys and locks page: random keyed, so the cabinet gets its own key, or keyed alike, so several cabinets share one. A lock replacement is the natural moment to put a bank of cabinets under one key.
Step 2: Remove the top drawer
Or the top two, depending on how tall your drawers are; you need a hand behind the lock area. Full extension, pull the two captive retaining clips on the rails toward you, lift the drawer up and out. The complete procedure is at drawer removal and repair.
Step 3: Slide out the spring clip (part 2)
Reach behind the lock on the inside of the cabinet. The U-shaped spring clip sits over the back of the lock body. Slide it out to the left or right and the old lock comes free out the front of the cabinet. Keep the clip; it goes back on the new lock.
Stubborn clip? They often are. Set the tip of a long flathead screwdriver against the edge of the clip and tap the handle with a mallet to walk it out a little at a time. Do not be afraid to put some force into it; the clip is spring steel and the cabinet can take it. Lost or bent the clip? Email hello@deltaindustrialstorage.com and we will send a new one.
Step 4: Leave the rod and rotor where they are (parts 4 and 5)
The aluminum lock rod and the plastic rotor stay in the cabinet and get reused. Check that the rotor tab points straight down at 6 o'clock. If the rod pulled loose, slide it back onto the rotor. The old lock is scrap without its keys; throw it away.
Step 5: Push the new lock in (Figure 2)
Hold the new lock with the key slot straight up at 12 o'clock. Push it into the hole in the cabinet face, lining the square hole in the back of the lock up with the square lock rod before you push it all the way home. Key at 12 and rotor tab at 6 is the alignment that matters; if they are off, the key will turn but the drawers will not lock.
Step 6: Clip it in (Figure 3)
Press the lock firmly against the cabinet face and slide the spring clip on from the right or left until it clicks into place. The lock should be held tight with no wobble. Cycle it with the new key a few times with the drawers still out, then reinstall the drawers.
Step 7: Record the new key number
Photograph the new keys or write the YNSX number down somewhere that is not inside the cabinet. That number is the only record of the code anywhere, and thirty seconds now saves you this entire page next time.
Never spray lubricant into a Lista lock. Lista warns that spray lubricants damage its cylinder locks. If a lock feels stiff, use dry graphite powder only.
Older locks with a gland nut
Older Lista cabinets hold the lock with a round threaded gland nut on the back, with a plastic retainer clip snapped over it (the inset in Figure 1). Those cabinets take the current lock and spring clip. The swap is the same as above with one extra step at the start:
Snap off the plastic retainer clip (it is not reused), then remove the gland nut with a 15/16" (24 mm) socket. Pull the old lock out the front, keep the lock rod and rotor, and install the new lock with a spring clip exactly as in Steps 5 and 6. Tell us your cabinet has the nut style when you order, and we will make sure a spring clip comes with the lock.
So what is the core release tool actually for?
Rekeying with keys in hand. The release tool lets you pull the core (the chrome part of part 3) out of its housing from the front, so you can swap cores between cabinets, put a specific key number on a specific bank, or convert an area to keyed alike, all while the lock stays clipped in place. Replacement cores on their own are the part for that job. For the lost key case, the tool does nothing for you: in the field, roughly nine out of ten lock replacements are the whole lock swapped through the spring clip as described above.
Order it, or ask first
Replacement locks, cores, keyed alike sets, and master key systems are all on the keys and locks page, freight free small parcel in the contiguous 48. Lost a spring clip, or need a rotor or lock rod on its own? We supply every part of the locking mechanism; just email us. The one exception is loose keys, which come only with a new lock or core. Not sure what you are looking at? Email a photo of your key, or of the back of the lock, to hello@deltaindustrialstorage.com or call (512) 521-4699, and we will identify it, usually within one business day.
Frequently asked questions
How do I know which Lista lock I have?
Read one of your keys. Standard Lista locks carry a code that starts with YNSX followed by a number, like YNSX05 or YNSX-25, and that code identifies your key series. Master keyed systems use their own numbering; email a photo of the key to hello@deltaindustrialstorage.com and we will identify it. The lock itself shows no number on any of them.
I lost every key to my Lista cabinet. Can a new key be cut?
Not from the lock alone. The key number appears only on the keys, the lock core carries no code, so with every key gone there is nothing to cut from. The fix is faster and cheaper than people expect: replace the lock outright. It is about a ten minute job behind the top drawer, with no special tools, and the new lock arrives with fresh keys.
My cabinet is locked shut and all the keys are gone. What now?
A local locksmith can open the cabinet without damaging it; picking it open is routine and leaves no marks. Once it is open, slide out the spring clip behind the lock and swap it, about ten minutes, and the cabinet is back in service with keys you control. Email hello@deltaindustrialstorage.com and we will confirm the right replacement lock the same day.
What holds a Lista lock in the cabinet?
A flat U-shaped steel spring clip. It slides over the back of the lock body from inside the cabinet and holds the lock tight against the cabinet face. Slide it out to the left or right and the lock comes free. Older Lista cabinets used a round threaded gland nut and a plastic retainer clip instead; the spring clip replaces both.
The spring clip will not come out. What do I do?
Spring clips are often stubborn. Set a long flathead screwdriver against the edge of the clip and tap it with a mallet to walk it out a little at a time; it takes some force, and that is normal. If a clip gets lost or bent, email hello@deltaindustrialstorage.com and we will send a replacement. We supply every part of the Lista locking mechanism.
Which way does the lock rod and rotor go back in?
Key slot straight up at 12 o'clock, plastic rotor tab straight down at 6 o'clock. The square aluminum lock rod runs from the square hole in the back of the lock to the rotor, so line the rod up with that hole before you push the new lock fully into the cabinet face.
Do I need the lock core release tool to replace a lost key lock?
No. The release tool is for rekeying cabinets you still have keys for, swapping cores between cabinets or setting up keyed alike groups while the lock stays in place. A lost key replacement bypasses all of that: slide out the spring clip behind the lock and fit the complete new lock.
What comes with a replacement Lista lock?
The complete lock: a new core, the gray housing that carries it, and new keys. Write the new key number down somewhere that is not inside the cabinet, or photograph the keys, because that number on the keys is the only record of it anywhere.
Can I lubricate a sticky Lista lock?
Only with dry graphite powder. Lista warns against spraying lubricant into its cylinder locks because it damages them. Spray products collect grit and gum up the pins over time.
Can I make all my cabinets open with one key while I am replacing a lock?
Yes, and a lock replacement is the natural moment to do it. Keyed alike locks are ordered to a single code, so a bank of cabinets can come under one key as each lock is swapped. Cores, locks, and keyed alike ordering are all on our keys and locks page at deltaindustrialstorage.com/keys-locks.