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MLM LEHMANN IC Mortise Locks – Type 490
The MLM LEHMANN IC mortise locks Type 490 are traditional mechanical furniture locks for lockable cabinets and furniture doors. Featuring a brass-plated finish, these mortise locks are available with different backsets and in versions for right-hand (rs) and left-hand (ls) applications.

MLM LOCK Type 490 for furniture key - D15 / ls
MLM LEHMANN Furniture locks - Made in Germany MLM LEHMANN Mortise lock Type 490 - D15 / ls (D15 = Backset 15mm / ls = left)for bit keys (bit key must be ordered separately)









MLM LEHMANN IC Mortise Locks – Type 490 Mechanical Furniture Locks
The MLM LEHMANN IC mortise locks Type 490 are traditional mechanical furniture locks designed for lockable cabinets and furniture doors. As part of the MLM LEHMANN IC furniture lock range, Type 490 is intended for furniture constructions where the lock body is recessed into the door or another suitable furniture component.
This installation method allows the locking mechanism to be integrated discreetly into the furniture construction.
MLM LEHMANN Mortise Lock Type 490 – Features and Versions
The IC mortise lock Type 490 is available in different versions. Selecting the correct lock depends primarily on the required backset, the handing and the existing installation dimensions.
Technical specifications according to the manufacturer's catalogue:
- Manufacturer: MLM LEHMANN
- Lock type: Mechanical mortise lock for furniture
- Model: Type 490 – IC system
- Backsets: 15mm, 20mm, 25mm, 30mm, 35mm and 40mm
- Finish: Brass-plated
- Handing: Versions for right-hand (rs) and left-hand (ls) applications
Choosing the Correct Backset for Your Furniture Lock
The backset is the distance from the centre of the keyhole to the front edge of the lock or its faceplate. It is an important dimension when selecting a new mortise lock or replacing an existing furniture lock.
MLM LEHMANN lists Type 490 with backsets ranging from 15mm to 40mm. The correct backset must be selected according to the dimensions of the furniture door and the existing lock installation.
Right-Hand and Left-Hand Applications
MLM LEHMANN IC mortise locks Type 490 are available for both right-hand and left-hand applications. The handing is determined by the position of the door hinges.
- rs: Right-hand application – the hinges are on the right.
- ls: Left-hand application – the hinges are on the left.
When replacing an existing mortise lock, check both the backset and the handing to ensure that the selected version matches the furniture construction.
Applications of IC Mortise Locks
MLM LEHMANN IC mortise locks Type 490 can be used in suitable cabinet doors and other lockable furniture doors where a recessed mechanical locking mechanism is required.
The suitability of a particular lock depends on its dimensions, the door construction and the available installation space. Existing mounting dimensions should be checked carefully when selecting a replacement lock.
Matching Furniture Keys and Accessories
In addition to mortise locks, the MLM LEHMANN IC range includes furniture keys, escutcheons and other system components.
When selecting replacement parts or assembling a new furniture locking solution, ensure that the chosen components are compatible with the lock and the intended installation.
MLM LEHMANN IC Mortise Locks at HUWIL HMT
HUWIL Heim + Möbel Technik GmbH supplies selected MLM LEHMANN IC mortise locks Type 490 for furniture manufacturing and replacement applications. As a specialist supplier of furniture locks and fittings, we assist customers in selecting suitable lock versions and compatible replacement parts.
A closed case: we are here to help with your furniture lock questions.
