Lewmar Size 60 Ocean Hatch - Flange Base
Lewmar Size 60 Ocean Hatch - Flange Base — Product description
Upgrade your vessel's deck or cabin access with the Lewmar Size 60 Ocean Hatch featuring a flange base. This robust hatch stands out for its timeless design and battle-tested performance across countless seafaring adventures. Built to withstand pounding waves, relentless UV exposure, and salty air, it delivers reliable ventilation and natural light without compromising structural integrity. Boaters trust it for everything from coastal cruising to offshore passages, where every component must perform flawlessly.
Why Choose the Lewmar Size 60 Ocean Hatch?
Unlike standard hatches that falter under pressure, this model combines classic aesthetics with modern engineering. Its square shape maximizes overhead space in tight cabins, while the generous opening invites fresh breezes below deck. The smoke grey acrylic lens diffuses light softly, reducing glare during daytime navigation. Mariners appreciate how it blends seamlessly with fiberglass or teak decks, enhancing both form and function on sailboats, power yachts, or rugged workboats.
- Effortless Ventilation Control: Friction levers secure the lid at any angle up to 95 degrees, allowing precise airflow adjustment without slamming shut in gusts.
- Superior Durability: Anodized aluminum frame resists corrosion from saltwater spray and harsh marine environments, outlasting painted alternatives.
- Versatile Installation: CE Category A2 certification covers deck, coachroof, cockpit, and transom mounts, suiting diverse boat layouts.
- Generous Viewing Area: 0.5-inch thick acrylic provides clear sightlines and shatter resistance for safety during rough seas.
Detailed Specifications at a Glance
Precision-engineered for seamless integration, this hatch demands minimal deck preparation. The 1-inch flange base simplifies mounting on flat surfaces with up to 1mm tolerance, using standard M6 or 1/4-inch fasteners at the hinge and 5mm CSK screws for the frame.
| Specification | Imperial (inches) | Metric (mm) |
|---|---|---|
| Overall Dimensions (L x W x H) | 22-5/8 x 22-5/8 x 1-11/16 | 575 x 575 x 43 |
| Cut-Out Dimensions (L x W) | 19-15/16 x 19-15/16 | 506 x 506 |
| Window Thickness | 0.5 | 12.7 |
| Weight | 17.6 lbs | 8 kg |
| Hinge Length (HX) | 3/16 | 4.8 |
| Hinge Width (HY) | 14-7/16 | 367 |
| Radii (R) | 3 | 76 |
| Cut-Out Radii (R1) | 1-11/16 | 43 |
Pro Tips for Flawless Installation
Installing the Lewmar Size 60 is straightforward for skilled hands, but attention to detail ensures longevity. Begin by verifying your deck's flatness—any deviation beyond 1mm requires shimming. Template the cut-out precisely using the provided dimensions to avoid rework. Secure the hinge with M6 bolts torqued to spec, and fasten the flange with No.10 UNC countersunk screws for a watertight seal. Apply marine sealant liberally around the perimeter, and test the friction mechanism under load before finalizing. For curved surfaces, consider Lewmar's low-profile variants, but this flange excels on planar decks.
- Measure and mark cut-out with radii for rounded corners.
- Drill hinge and frame holes accurately.
- Apply sealant and bed the hatch firmly.
- Operate through full range to confirm smooth action.
Pro marine installers often pair it with Lewmar's Ocean gasket kits for extra weatherproofing in tropical climates.
Long-Term Care for Peak Performance
Keep your hatch operating like new with simple upkeep. Rinse salt residue weekly using fresh water and mild soap—avoid abrasives on the anodized finish. Lubricate friction levers annually with silicone-based grease to prevent binding. Inspect acrylic for crazing under intense sun; polish lightly if needed. In storage, prop open to avoid gasket compression. This routine extends service life beyond a decade, even in demanding charter fleets.
Real Boaters' Favorites Scenarios
Sailors on long-haul voyages favor its bombproof hold-open system during beam reaches. Powerboaters value the cockpit mount for shaded helm access. Liveaboards love the cabin-top placement for starlit ventilation without bugs. Its square profile fits modern hull designs perfectly, replacing worn Lewmar Standard hatches with superior strength.
Frequently Asked Questions
What makes the friction lever system on the Lewmar Size 60 Ocean Hatch special?
The friction levers provide infinite positioning up to 95 degrees, holding firm against wind gusts or boat heel without additional props or gas struts. This mechanical simplicity ensures reliability in remote anchorages.
Is the anodized aluminum frame suitable for saltwater environments?
Yes, the anodized finish creates a hard oxide layer that combats galvanic corrosion, making it ideal for offshore sailing in saline conditions far better than untreated alloys.
What surfaces can this hatch be installed on?
It's designed for flat deck surfaces with up to 1mm tolerance, perfect for coachroofs, cockpits, transoms, or foredecks under CE Area 2 standards. Not recommended for highly curved coamings.
How thick is the smoke grey acrylic window, and why does it matter?
At 0.5 inches thick, it offers impact resistance against accidental blows from booms or gear, while the tint cuts UV and glare for comfortable interior lighting.
What fasteners are required for installation?
Use M6 or 1/4-inch bolts for the hinge section and 5mm CSK No.10 UNC or 2 BA screws for the lower frame, ensuring a secure, leak-free mount.
Can this hatch replace older Lewmar models?
It often serves as a direct upgrade for Size 60 Standard or Concept hatches, matching cut-out dimensions closely but with enhanced materials for modern demands.
How do I maintain the hatch's weather sealing?
Inspect and replace the gasket every 2-3 years, clean tracks regularly, and reseal the flange annually to prevent drips during heavy rain or washdowns.
Size 60 Ocean Hatch - Flange Base
With its classic style, the Ocean Hatch is fitted to thousands of boats around the world. Its rugged construction provides the ultimate protection against the elements, whatever conditions you might face.
Features:
- Friction levers hold the lid open in any position up to 95°
- Anodized aluminum frame for corrosion resistance
- All sizes suitable for CE Area 2 (Deck, Coach roof, Cockpit, and Transom)
Technical Specifications:
- Support System - Friction Lever
- Color - Smoke Grey
- Window Thickness - .5"
- Weight - 17.6lbs
- Dimensions (L x W x H) - 22-5/8" x 22-5/8" x 1-11/16"
- Cut-Out Dimensions (L x W) - 19-15/16" x 19-15/16"
*Sold as an Individual
- 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 use 5mm CSK screw No.10 UNC 2 BA.
| Lower Frame (in) | Acrylic Colour | Hatch Weight (lb) | Acrylic Window Thickness (in) |
| 1" Flange | Smoke Grey | 17.6 | 1/2 |
Dimensions
| Length X (in) | Width Y (in) | Height Z (in) | Radii R (in) | Hinge Length HX (in) | Hinge Width HY (in) | Cut-Out Length Flat X1 (in) | Cut-Out Width Flat Y1 (in) | Cut-Out Radii Flat R1 (in) |
| 22 5/8 | 22 5/8 | 1 11/16 | 3 | 3/16 | 14 7/16 | 19 15/16 | 19 15/16 | 1 11/16 |
SKU: NVN-94266
MPN: 39660070
UPC: 743683113062
Technical specifications
| Brand | Lewmar |
| Model | Lewmar Size 60 Ocean Hatch - Flange Base |
| SKU / MFR# | 94266 |
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Frequently asked questions
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