9433K512
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| Part Number | JEDDKFBC |
| System of Measurement | Inch |
| Spring Type | Extension |
| Length | 4" |
| OD | 0.437" |
| Wire Diameter | 0.054" |
| Extended Length @ Maximum Load | 7.1" |
| Load Max. | 12 |
| Spring Rate | 3.051 lbf/in |
| Spring Rate Tolerance | -0.305 lbs./in. to 0.305 lbs./in. |
| Material | 302 Stainless Steel |
| End Type | Hook |
| Load Min. | 2 |
| RoHS | RoHS 3 (2015/863/EU) Compliant |
| REACH | REACH (EC 1907/2006) (06/27/2024, 241 SVHC) Compliant |
| DFARS | Specialty Metals COTS-Exempt |
| Country of Origin | China |
| USMCA Qualifying | No |
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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 JEDDKFBC Spring
JEDDKFBC are designed to operate under tension, providing controlled force when stretched and reliable return action when the load is removed. The hook ends are shaped to allow quick attachment to mating components while transferring tensile and bending stresses into the spring body. Key design features such as hook geometry, wire diameter, and coil spacing are optimized to balance load capacity, fatigue life, and resistance to end failure.
What Benefits Can JEDDKFBC Spring Provide?
- Easy Installation – Hook ends allow quick attachment to pins, rods, or brackets without additional hardware.
- Reliable Tension Control – These springs deliver consistent pulling force for smooth operation in mechanical systems.
- Versatile Design – Suitable for a wide range of sizes and load capacities to fit diverse applications.
- Durability Under Repeated Use – Properly designed hooks distribute stress to prevent premature failure.
- Space-Efficient – Compact design allows use in tight assemblies while maintaining effective spring action.
What Can JEDDKFBC Spring Be Used for?
- Automotive Applications – Throttle return springs, brake pedal return mechanisms, clutch linkages, and hood or trunk latch systems.
- Garage and Industrial Door Systems – Counterbalancing garage doors, rolling shutters, and industrial hatches for smooth operation.
- Appliances and Consumer Devices – Vacuum cleaners, washing machines, exercise equipment, and toys requiring reliable pull-back force.
- Agricultural and Outdoor Equipment – Tractor linkages, plow attachments, gates, and fencing mechanisms exposed to repetitive motion.
- Heavy Machinery and 302 Stainless Steel Handling – Conveyor tensioners, lever return springs, and vibration-damping assemblies in industrial or construction equipment.
