
Lockwood 5541 Short Backset Mortice Deadlock No Cylinder - Satin Chrome
The Lockwood 5541 Short Backset Mortice Deadlock No Cylinder is designed for narrow stile door applications requiring a compact and secure mortice locking solution.
This configuration is supplied without a cylinder, allowing flexibility for integration with compatible cylinder systems as required.
Part of the Lockwood Synergy range, it delivers reliable performance in commercial and architectural door hardware applications.
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Key Features
- Short backset mortice deadlock for narrow stile doors
- Supplied without cylinder for flexible configuration
- Positive action deadbolt engages securely into strike
- Suitable for sliding and swing door applications
- Compatible with key, turnknob, escape turn or handle operation
- Part of Lockwood Synergy mortice lock range
Suitable Uses
- Narrow stile aluminium and timber doors
- Commercial door systems requiring custom cylinder setups
- Sliding and hinged door applications
- Architectural door hardware specifications
- Retrofit or replacement mortice lock installations
Specifications
| Brand | Lockwood |
| Product Type | Short backset mortice deadlock |
| Configuration | No cylinder |
| Door Thickness | 32-50mm |
| Backset | 30mm |
| Bolt Projection | 15mm |
| Standards | Tested to Australian Standard |
| Finish | Satin Chrome |
Frequently Asked Questions
Does this include a cylinder?
No, this model is supplied without a cylinder.
Can I install my own cylinder?
Yes, it is designed to be used with compatible mortice lock cylinders.
Where is this typically used?
Commonly used in narrow stile aluminium and commercial door systems.
Additional Information
- Provides flexibility for custom cylinder configurations.
- Suitable for both new installations and retrofits.
- Engineered for durability in high-use commercial environments.
- Commonly specified in architectural door hardware schedules.
Lockwood branded products purchased new in Australia from authorised resellers are covered against defects in materials and workmanship for:
- Mechanical components: 25 years
- Electrical and electronic components: 2 years (excluding batteries)
Lockwood Synergy Mortice Locks Catalogue

Lockwood Synergy Mortice Locks Catalogue
Lockwood Warranty Overview
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary depending on product type, mechanical components, electrical elements, and finish category.
This overview summarises the structure of Lockwood warranty coverage. Full terms, exclusions and claim procedures are set out in the official Lockwood Warranty document.
Warranty Periods Summary
Finish Coverage Guide
- Everbrass finishes: up to 25 years against corrosion, tarnishing and discolouration.
- Stainless steel, polished stainless steel, chrome plating and anodised finishes: typically up to 10 years.
- Decorative finishes including Antique Copper, Architectural Bronze, Oil Rubbed Bronze, Aged Brass, Polished Brass, Satin Brass and related variants: typically up to 2 years against corrosion.
- Unlacquered brass finishes will naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where cleaning and maintenance have not been followed.
What the Warranty Covers
- Defects in material and workmanship during the applicable warranty period.
- Assessment by ASSA ABLOY to determine repair, replacement with the same or closest equivalent product, or refund of purchase price.
Common Exclusions
- Normal wear and tear.
- Misuse, abuse, accidental damage or use outside published specifications.
- Improper maintenance or failure to follow care instructions.
- Unauthorised modification, repair or use of non-genuine parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or pollution.
- Removal, refitment or associated labour charges.
- Products not originally sold in Australia through authorised channels.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product through the original place of purchase where applicable.
- If claiming directly, obtain a case number before returning goods.
- Products must be securely packed and clearly identified.
- Warranty assessment determines repair, replacement or refund.
Australian Consumer Law
Lockwood warranties operate in addition to rights available under the Australian Consumer Law. Goods come with guarantees that cannot be excluded. Customers may be entitled to a replacement or refund for a major failure and compensation for reasonably foreseeable loss or damage.
Where a product fails to meet acceptable quality standards and the failure does not amount to a major failure, the customer is entitled to repair or replacement.