5″-7″ Boat Porthole Window AISI 316 SS round Portlight Anti-Glare Marine Portlight Hatch 8Mm Smoked Acrylic for Yacht Cabin RV
316 Stainless Steel Round Boat Porthole
8mm Smoke Gray Acrylic Glass | Fits 7mm – 12mm Deck Thickness for Yacht & RV
Precision-cast from solid 316 marine-grade stainless steel with a high mirror polish. Delivers maximum corrosion resistance against harsh saltwater and salt spray.
Fitted with an 8mm thick high-impact acrylic lens. Filters out harsh glare and UV rays while providing extreme pressure resistance against crashing ocean waves.
Features a 10-12mm spigot insertion depth. Fits 7mm to 12mm (up to 15mm max) hull walls with a sleek flush fit or slight watershed edge for easy runoff.
Equipped with friction hinges and heavy-duty nylon handles. Lined with a watertight EPDM rubber gasket to ensure a 100% leak-proof seal during ocean storms.
Available in 3 standardized cut-out diameters (Φ126mm, Φ151mm, Φ175mm). Perfect for yacht hull portholes, boat cabins, and campervan side windows.
• 7mm – 9mm Hull: Protrudes slightly (1-3mm), allowing easy rainwater runoff.
• 10mm – 12mm Hull: Fits completely Flush Fit against cabin wall.
• 13mm – 15mm Hull: Mounts securely using marine sealant (3M 4200/5200).
2. Cut-out Hole SKU Selection:
• 5″ SKU: Cut-out Φ 126mm (5.0″) | Outer Frame Φ 157mm (6.2″)
• 6″ SKU: Cut-out Φ 151mm (6.0″) | Outer Frame Φ 184mm (7.2″)
• 7″ SKU: Cut-out Φ 175mm (7.0″) | Outer Frame Φ 210mm (8.3″)
PORTLIGHT TECHNICAL SPECIFICATIONS
|
CODE |
Frame Size (a) |
Cut-out Size (b) |
Spigot Depth (c) |
Panel Thickness (d) |
|
12-03021 (5″) |
Φ 157mm (6.2 in) |
Φ 126mm (5.0 in) |
10mm – 12mm |
7mm – 12mm (Max 15mm) |
|
12-03022 (6″) |
Φ 184mm (7.2 in) |
Φ 151mm (6.0 in) |
10mm – 12mm |
7mm – 12mm (Max 15mm) |
|
12-03023 (7″) |
Φ 210mm (8.3 in) |
Φ 175mm (7.0 in) |
10mm – 12mm |
7mm – 12mm (Max 15mm) |
Key Product Highlights
AISI 316 STAINLESS STEEL VS. 304 / PLASTIC PORTLIGHTS
|
✔ AIROW MARINE AISI 316 Portlight |
❌ Cheap 304 SS & Plastic Portlights |
|
Solid 316 Stainless Steel: Contains molybdenum for unyielding resistance against warm seawater pitting. |
304 SS Tea-Staining Rust: Develops unsightly rust spots after short exposure to ocean salt spray. |
|
8mm Shatterproof Acrylic: High impact resistance against crashing waves with glare-reducing smoke tint. |
Fragile Thin Glass: Thin glass cracks under hull flexing or wave pressure slamming. |
|
7mm–12mm Versatile Panel Fit: Spigot depth fits 7-12mm (up to 15mm) hull walls cleanly. |
Rigid Fixed Thickness: Cannot fit varied 10mm-12mm hulls without leaving raw exposed cuts. |
Frequently Asked Questions (FAQ)
A: Optimal installation panel thickness is 7mm to 12mm (0.3″ to 0.5″).
• For 7-9mm hulls: Frame protrudes 1-3mm to shed rainwater quickly.
• For 10-12mm hulls: Fits completely flush against your cabin wall.
• For thicker hulls (up to 15mm): Securely mounted using marine sealant (3M 4200/5200).
A: It features an 8mm thick heavy-duty smoke gray acrylic lens. Acrylic is chosen for marine portholes because it is shatterproof under heavy wave impacts.
A: Measure your hull Cut-out Hole Diameter: Choose 5″ for Φ126mm hole, 6″ for Φ151mm hole, and 7″ for Φ175mm hole.
A: No. AISI 316 contains molybdenum for maximum pitting corrosion resistance against ocean salt spray.
If you are pleased with our marine hardware, please leave us a 5-star positive feedback! Have questions or need technical advice? Contact ANA SALES directly for instant customer support before leaving feedback.
Additional information
| Color | 7In (175Mm), 6In (151Mm), 5In (126Mm) |
|---|
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