Description
SEA-DOG LINE Gas Filled Lift Spring 17″ Extended, 30 lb – 321473-1
The Sea-Dog Line 321473-1 gas filled lift spring is a marine-grade support strut designed to help lift, hold, and control the movement of hatches, access panels, deck box lids, storage compartments, RV doors, truck caps, tool boxes, and other utility applications. With a 17″ extended length, 10″ compressed length, and 30 lb lift capacity, this gas spring is a dependable replacement choice for light-to-medium duty lids and covers that require smooth, controlled support.
- 17″ extended gas filled lift spring with 30 lb lift capacity
- Ideal for boat hatches, deck boxes, access panels, and storage lids
- Accepts 10 mm ball studs for common marine mounting applications
- Manufactured to marine OE standards for dependable service
- Designed with a unique multi-lobe seal for improved service life and performance
Sea-Dog gas springs are built for marine, RV, truck cap, tool box, and utility use where smooth lift assistance and reliable hold-open support are important. They are made with hard chromium plated shafts, bronze bushings, polymer end fittings, and nitrogen gas to deliver dependable performance in demanding applications.
Built for Marine and Utility Applications
This gas filled lift spring is well suited for replacing worn or weak support struts on hatches, doors, engine compartments, canopies, luggage doors, seating compartments, farm machinery, golf carts, RV doors, furniture, truck caps, and utility boxes. It helps make panels easier to open while providing controlled support once raised.
Ball Socket Mounting
The end sockets are designed to accept compatible 10 mm ball studs. Mounting brackets and ball studs are sold separately, so existing hardware should be checked for size and compatibility before installation.
Specifications
| Manufacturer | Sea-Dog Line |
| Part Number | 321473-1 |
| Product Type | Gas Filled Lift Spring / Gas Spring / Lift Support |
| Extended Length | 17″ |
| Compressed Length | 10″ |
| Stroke | 7″ |
| Lift Capacity | 30 lb |
| End Fitting Style | Ball Socket Ends |
| Ball Stud Compatibility | Accepts 10 mm ball studs |
| Material | Chrome and powder coated steel, bronze, polymers, and nitrogen gas |
| Shaft | Hard chromium plated |
| Bushings | Bronze |
| End Fittings | Polymer |
| Common Applications | Marine hatches, engine hatches, access panels, deck boxes, doors, tool boxes, RV doors, truck caps, utility boxes, canopies, seating compartments, and storage lids |
| Warranty | 2-year Sea-Dog gas spring warranty |
| UPC | 035514321853 |
Gas Spring Dimension Drawing
Dimensions
| Drawing Reference | Dimension |
|---|---|
| A | 17″ |
| B | 10″ |
| C | 7″ |
| D | 18 mm |
| E | 8 mm |
| Weight | 0.45 lb |
| Standard Pack | 1 each |
Dimension references correspond to Sea-Dog’s product drawing.
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