Description
DOMETIC SEASTAR Tube Nut for 3/8 Inch Nylon Tube, 6-Pack – HF5526
The Dometic SeaStar HF5526 is a tube nut kit for compatible 3/8 inch SeaStar hydraulic hose/tube connections. Supplier option data identifies HF5526 as a tube nut for 3/8 inch hose/tube applications.
This fitting should be selected by the required fitting style, tube size, and pipe/port size, not by appearance alone. For steering system safety, verify compatibility with the helm, cylinder, and hydraulic line type before installation.
Main Features
- Designed for SeaStar manual hydraulic steering systems using compatible tube and pipe sizes.
- Useful for repairs, service, or custom hydraulic line routing where the listed fitting type is required.
- Marine hydraulic fitting intended to maintain secure, leak-resistant steering connections.
- Always match pipe size, tube size, and cylinder/helm generation before installation.
- Do not substitute NPT fittings into ORB-style -3/-4 helms or cylinders unless the service manual specifically allows it.
What’s in the Box
- Six 3/8 in. tube nuts.
Specifications
- Manufacturer Part Number: HF5526
- Product Type: Tube Nut for 3/8 Inch Nylon Tube, 6-Pack
- Fitting Type: Tube nut
- Hose/Tube Size: 3/8 in.
- Package Quantity: 6 per kit


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