Home / False Creek Fuels Store / ATTWOOD SpringLift Stainless Steel Gas Spring 20″ Extended, 12″ Compressed, Ball Mount, 120 lb – ST34-120#-5

ATTWOOD SpringLift Stainless Steel Gas Spring 20″ Extended, 12″ Compressed, Ball Mount, 120 lb – ST34-120#-5

Marine-grade Attwood SpringLift stainless steel gas spring with 20″ extended length, 12″ compressed length, 10 mm composite ball socket ends, and 120 lb lifting force for heavier boat hatches, engine covers, lids, compartments, and access panels.

CAD $89.99

Ships/Pickup in 1–2 Days

Description

ATTWOOD SpringLift Stainless Steel Gas Spring 20″ Extended, 12″ Compressed, Ball Mount, 120 lb – ST34-120#-5

The Attwood SpringLift ST34-120#-5 stainless steel gas spring is a heavy-duty marine-grade lift support designed for smooth, controlled opening and closing of heavier boat hatches, engine covers, lids, storage compartments, covers, doors, and access panels. With a 20″ extended length, 12″ compressed length, 8″ stroke, and 120 lb force rating, it is built for larger applications that require strong lift assistance, corrosion resistance, and dependable hold-open support.

  • SpringLift stainless steel marine gas spring for heavier hatches, engine covers, lids, and compartments
  • 20″ extended length and 12″ compressed length for larger lift-support applications
  • 120 lb force rating for heavy-duty lift assistance and strong hold-open support
  • 10 mm composite ball socket end fittings for secure mounting
  • Stainless steel shell and rod for improved corrosion resistance in marine environments

Attwood stainless steel gas springs are built for marine hardware applications where corrosion resistance, smooth operation, and dependable support matter. This ST-Series gas spring features a stainless steel shell and rod, combined with high-strength corrosion-proof composite end fittings, making it a strong choice for hatches, engine covers, and compartments exposed to moisture, spray, and harsh boating conditions.

Built for Marine Environments

The stainless steel construction helps resist corrosion better than standard steel gas springs, making this model ideal for boats, docks, RVs, and other wet-environment applications. It is designed to replace an existing 20″ x 12″ ball-mount gas spring with a 120 lb pressure rating.

Ball Socket Mounting

The 10 mm composite ball socket end fittings are designed to attach to compatible 10 mm ball-stud mounting brackets. Mounting brackets are sold separately, so existing hardware should be checked for compatibility before installation.

Specifications

Manufacturer Attwood
Model SpringLift Stainless Steel / INOX Stainless Standard Series
Part Number ST34-120#-5 / ST34-120-5
Product Type Marine Stainless Steel Gas Spring / Lift Support
Extended Length 20″
Compressed Length 12″
Stroke / Travel Length 8″
Force Rating 120 lb
Rod Diameter 8 mm
Cylinder Diameter 18 mm
End Fitting Style 10 mm Composite Ball Socket
Material Stainless steel shell and rod with composite end fittings
Mounting Brackets Sold separately

Additional information

Weight 0.3 kg
Dimensions 55 × 3 × 3 cm
Country of Origin

MX

HS Code

83024900

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