0311-840004 25" Heavy Duty Coil Spring (BLACK) for AeroForce Tarp Systems (OEM)

Heavy duty coil spring for AeroForce F2B, S2S, and ROC tarping systems. The BLACK coil is stronger and less likely to break.

Spring Specs:

• Spring length: 24"
• Wire diameter: 0.375"
• Outer diameter (OD): 1.785" ±0.035"
• Inner diameter (ID): 1.035"
• Spring rate: 250 lb/in ±10%
• Ends: Closed and ground
• Load at 17" compressed height: 2000 lb ±10%
• Wind direction: Optional
• Finish: Shot peened
• Preset to remove initial set
• Free length: 25.000"
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