Description
ATTWOOD SpringLift Gas Spring 10″ Extended, 7″ Compressed, Blade Mount, 40 lb – SL1-40#-5
The Attwood SpringLift SL1-40#-5 gas spring is a compact marine-grade lift support designed for smooth, controlled opening and closing of boat hatches, lids, storage compartments, covers, doors, and access panels. With a 10″ extended length, 7″ compressed length, 3″ stroke, and 40 lb force rating, it is a strong replacement choice for applications that require more lift support than a light-duty 20 lb spring.
- SpringLift marine gas spring for hatch, lid, cover, and compartment support
- 10″ extended length and 7″ compressed length for compact installations
- 40 lb force rating for reliable medium-duty lift assistance
- Blade-style end fittings with 10 mm mounting hole
- 8 mm rod x 18 mm cylinder construction with 3″ stroke
Attwood SpringLift gas springs are popular replacement lift supports for marine and RV hardware applications where reliability, smooth motion, and corrosion resistance matter. This model is made with environmentally responsible, water-safe grade oil and is designed to withstand demanding boating conditions.
Built for Marine Environments
This SpringLift gas spring is tested to ASTM B117 salt spray standards and Attwood salt spray requirements, helping ensure dependable performance in wet, humid, and saltwater environments. It is also 30,000-cycle lifecycle tested, making it a dependable choice for frequently used hatches, covers, and storage compartments.
Blade-Style Mounting
The blade-style end fitting is designed for secure attachment in compatible marine lift-support installations. Mounting brackets are sold separately, so existing hardware should be checked for compatibility before installation.
Specifications
| Manufacturer | Attwood |
| Model | SpringLift |
| Part Number | SL1-40#-5 / SL1-40-5 |
| Product Type | Marine Gas Spring / Lift Support |
| Extended Length | 10″ |
| Compressed Length | 7″ |
| Stroke | 3″ |
| Force Rating | 40 lb |
| Rod Diameter | 8 mm |
| Cylinder Diameter | 18 mm |
| End Fitting Style | Blade |
| Mounting Hole / Blade Diameter | 10 mm |
| Testing | ASTM B117 salt spray tested; Attwood salt spray tested; 30,000-cycle lifecycle tested |
| Mounting Brackets | Sold separately |
| UPC | 715584003636 |
Attwood SpringLift Replacement Gas Spring Selection Chart
Attwood has taken the guess-work out of selecting a replacement gas spring. Simply match up the existing spring to the dimensions and pressure ratings shown in the chart.
| Extended Length | Compressed Length | Stroke | Standard Pressure | End Fitting Type | Aftermarket Packaging Part Number |
|---|---|---|---|---|---|
| 8 x 18 – 8 mm Rod x 18 mm Cylinder | |||||
| 10.00″ | 7.00″ | 3.00″ | 20 lb | 10 mm Socket-Composite | SL30-20-5 |
| 10.00″ | 7.00″ | 3.00″ | 40 lb | 10 mm Socket-Composite | SL30-40-5 |
| 10.00″ | 7.00″ | 3.00″ | 60 lb | 10 mm Socket-Composite | SL30-60-5 |
| 5.25″ | 7.50″ | 2.25″ | 30 lb | 10 mm Socket-Composite | SL31-30-5 |
| 12.04″ | 8.46″ | 3.58″ | 40 lb | 10 mm Socket-Composite | SL35-40-5 |
| 12.04″ | 8.46″ | 3.58″ | 50 lb | 10 mm Socket-Composite | SL35-50-5 |
| 15.00″ | 9.50″ | 5.50″ | 20 lb | 10 mm Socket-Composite | SL33-20-5 |
| 15.00″ | 9.50″ | 5.50″ | 40 lb | 10 mm Socket-Composite | SL33-40-5 |
| 15.00″ | 9.50″ | 5.50″ | 60 lb | 10 mm Socket-Composite | SL33-60-5 |
| 17.20″ | 10.20″ | 7.00″ | 40 lb | 10 mm Socket-Composite | SL36-40-5 |
| 17.20″ | 10.20″ | 7.00″ | 90 lb | 10 mm Socket-Composite | SL36-90-5 |
| 20.00″ | 12.00″ | 8.00″ | 20 lb | 10 mm Socket-Composite | SL34-20-5 |
| 20.00″ | 12.00″ | 8.00″ | 30 lb | 10 mm Socket-Composite | SL34-30-5 |
| 20.00″ | 12.00″ | 8.00″ | 60 lb | 10 mm Socket-Composite | SL34-60-5 |
| 20.00″ | 12.00″ | 8.00″ | 80 lb | 10 mm Socket-Composite | SL34-80-5 |
| 20.00″ | 12.00″ | 8.00″ | 120 lb | 10 mm Socket-Composite | SL34-120-5 |
* Packaged in see-through hanging packages.
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