Lewmar Size 44 Ocean Series Hatch Flange Base – Smoke Grey Acrylic Window, 20 1/16 x 20 1/16 inches

The Lewmar Size 44 Ocean Series Hatch Flange Base is designed for reliable installation on flat surfaces with a maximum tolerance of plus or minus 1mm. Its sturdy construction features a 1/2-inch thick smoke grey acrylic window, providing durability and clear visibility in marine environments. The hatch's flange is compatible with fastening sizes at the hinge section of M6 (1/4 inch), and it uses a 5mm CSK screw No.10 UNC 2 BA for securing the lower frame, ensuring a secure fit. Ideal for use in various marine applications, this hatch combines precision engineering with ease of installation, making it suitable for boat builders and marine enthusiasts seeking a dependable access point.

The dimensions of the Lewmar Size 44 hatch include a length and width of approximately 20 1/16 inches, with a height of 1 11/16 inches. The hinge length measures 3/16 inch, and the hinge width is 11 7/8 inches, facilitating smooth operation. The hatch features cut-out dimensions of 17 3/8 inches in both length and width, with radii of 1 11/16 inches, allowing for straightforward installation on compatible surface openings. Its design ensures a snug fit with minimal tolerances, promoting safety and water resistance in marine environments. The hatch's weight is approximately 460 pounds, providing a substantial yet manageable component for installation.

Please note that this product carries a Prop 65 warning for cancer and reproductive harm, and should be handled and installed with appropriate precautions. Expected availability for delivery is around May 13, 2026, ensuring a timely addition to your marine projects. Whether for new construction or retrofit applications, the Lewmar Size 44 Ocean Series Hatch Flange Base offers a combination of robust materials, precise dimensions, and easy installation features for marine professionals and boat owners alike.

Features:

• Flat surface installation with +/- 1mm tolerance

• Hinge section fastening using M6 (1/4 inch) hardware

• Lower frame secured with 5mm CSK screw No.10 UNC 2 BA

• Smoke grey acrylic window provides durability and visibility

• Dimensions designed for easy installation with precise cut-outs

• Robust construction suitable for marine environments

• Prop 65 warning for safety considerations

• Expected delivery date around May 13, 2026