8433K55
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| Part Number | IEDDKFF |
| Spring Type | Extension |
| Length | 12" |
| OD | 1" |
| Extended Length @ Maximum Load | 24" |
| Load Max. | 33 |
| Spring Rate | 2.75 lbf/in |
| Material | Latex Rubber |
| Sleeve Material | Polypropylene Fabric |
| End Type | Carabiner |
| Carabiner Length | 2" |
| Carabiner Opening Width | 5/16" |
| Carabiner Material | Black-Oxide Steel |
| Temperature Range | 30° to 130° F |
| RoHS | RoHS 3 (2015/863/EU) Compliant |
| REACH | Not Compliant |
| DFARS | Specialty Metals COTS-Exempt |
| Country of Origin | China |
| USMCA Qualifying | No |
NOTE:All other trademarks are the property of their respective owners.
All other trademarks mentioned herein are used for the purpose of compatibility description and product identification only. Lily Bearing is not affiliated with, endorsed by, or sponsored by the holders of these trademarks.
Design Features of IEDDKFF Spring
IEDDKFF are engineered to accommodate greater elongation than standard extension springs while maintaining reliable tensile force. These springs feature longer coils, optimized wire diameters, and carefully controlled pitch to allow extended travel without permanent deformation or loss of spring rate. End designs—such as loops, hooks, or custom shapes—are reinforced to handle the additional stress associated with increased stretch, ensuring durability and consistent performance under repeated cycles.
What Benefits Can IEDDKFF Spring Provide?
- Extended Travel Capability – Can elongate further than standard springs, allowing greater range of motion in limited spaces.
- Reliable Tensile Force – Maintains consistent load and spring rate even at maximum extension.
- Durability Under Repeated Use – Reinforced ends and optimized coil design reduce the risk of deformation or failure.
- Versatility in Design – Suitable for applications requiring long stroke or high-extension movement without compromising performance.
- Space-Efficient Solutions – Provides extended functionality without needing larger or bulkier components.
What Can IEDDKFF Spring Be Used for?
- Marine and Offshore Equipment – Hatch closures, rigging mechanisms, and lifting systems exposed to saltwater and humidity.
- Food Processing and Pharmaceutical Machinery – Washdown environments where springs face frequent cleaning, chemicals, or moisture.
- Industrial Machinery – Conveyor tensioners, robotic arms, and lever systems where over-stretching could damage components.
- Automotive and Transportation – Throttle return, brake linkages, or suspension components exposed to road salts, moisture, or high-load cycles.
- Agricultural and Outdoor Equipment – Gates, plow linkages, irrigation systems, and fencing mechanisms where both corrosion and overload protection are critical.




