Interlock 230 NF Aluminium Non-Friction Stay – P1559B
The Interlock 230 NF is a non-friction 4-bar aluminium hinge from the A Series range designed for projected top hung (PTH) window sashes.
This model is specified where a window control mechanism provides opening resistance and hinge friction is not required.
Manufactured from extruded aluminium and finished in black powdercoat, the A Series provides support and control for residential window applications.
This product is a hinge stay only. Window operators, restrictors and fixings are not included.
20 Days
Key Features
- Non-friction function type (‘NF’).
- 4-bar aluminium hinge construction.
- Manufactured from extruded aluminium.
- Black powdercoated finish.
- No sliding channels.
- Unique “pull-in” feature.
- Designed for use with window control mechanisms.
- Supplied as a pair.
Full Specifications
Dimensions
All dimensions shown are in millimetres. Letters correspond to the manufacturer’s A–K dimension table for the A Series 500 A aluminium friction hinge.
Frequently Asked Questions
When should I use the NF version?
Select the NF model when a window control mechanism provides opening resistance.
Is this suitable for side hung windows?
No. The A Series is designed for projected top hung windows.
What sash weight can this hinge support?
Maximum sash weight is 10kg.
Additional Information
- Ensure correct hinge size selection based on sash weight.
- Use NF models only where a separate control mechanism is fitted.
- No fire rating stated in manufacturer documentation.
Interlock Projected Window Hardware Catalogue
ASSA ABLOY Manufacturer Warranty
Covered under official ASSA ABLOY warranty terms.
View full warranty details.
Lockwood Warranty
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary by product type, with separate cover for mechanical components, electrical and electronic parts, keys, and finishes.
The summary below sets out the standard warranty structure. All warranty claims are handled by Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries. Full terms and exclusions are set out in the official Lockwood warranty document linked at the base of this page.
Warranty 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.
- PVD and VIVID finishes: typically up to 10 years.
- Symmetry range finishes: typically up to 5 years.
- Decorative finishes (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 naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where the required cleaning and maintenance have not been followed.
How to Make a Claim
- Contact Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries with your proof of original purchase.
- Keep the product securely packed and clearly identified, ready for assessment.
- Where a claim is escalated to the manufacturer, ASSA ABLOY may issue a case number before goods are returned.
- ASSA ABLOY assesses the claim and determines repair, replacement with the same or closest equivalent product, or refund of the purchase price.
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.
These manufacturer warranties apply in addition to your rights under the Australian Consumer Law. Our goods come with guarantees that cannot be excluded under the ACL. You are entitled to a replacement or refund for a major failure and to compensation for any other reasonably foreseeable loss or damage. Where a failure does not amount to a major failure, you are entitled to have the goods repaired or replaced.
