About this product
Lewmar 399440303 Hatches
This Lewmar low-profile hatch features a profile height of 1 inch and is equipped with an adjustable hatch stay. The external dimensions of this Size 44 square hatch measure 20-3/16 inches by 20-3/16 inches and the cutout dimensions measure 17-3/8 inches by 17-3/8 inches.
The sleekly designed Low Profile Hatch is ideal for use on a powerboat. Smaller ventilation hatches are a better fit for sailboats, while the larger sizes can be used as foredeck hatches on smaller to mid-size yachts.
Our hatches feature Lewmar's unique sealing system allowing easy acrylic replacement. All sizes are suitable for CE Area 2 (Deck, Coachroof, Cockpit, and Transom). Size 10 Low Profile with Stay is made to order.
Mounting Instructions
- Fit to a flat surface with a maximum tolerance of +/- 1mm.
- Fastening size at hinge section use (M6 / 1/4").
- Fastening size for lower frame uses 5mm CSK screw No.10 UNC 2 BA.
Normalized SKU: 399440303
Description supplied by First Choice Marine through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






