{"product_id":"stainless-steel-portlight-239-393820862","title":"Lewmar — Size 8 Opening Stainless Steel Portlight — 239-393820862","description":"\u003ch2\u003eLewmar Size 8 Opening Stainless Steel Portlight (393820862)\u003c\/h2\u003e\n\u003cp\u003eThe Lewmar 393820862 is a Size 8 opening portlight with a polished 316 stainless-steel outer frame, chrome interior trim, and a grey-tinted acrylic lens. The opening design brings ventilation to the cabin below deck, while the handle-and-hinge system keeps the lens clear of obstructions, presses evenly on the seal, and is designed to resist vibrating open when secured. A flyscreen is supplied as standard.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLewmar part number:\u003c\/strong\u003e 393820862\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 8 | \u003cstrong\u003eVersion:\u003c\/strong\u003e Opening | \u003cstrong\u003eShape:\u003c\/strong\u003e Elliptical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter frame:\u003c\/strong\u003e Polished 316 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterior trim:\u003c\/strong\u003e Chrome\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcrylic:\u003c\/strong\u003e Grey tinted, 10 mm (3\/8 in.) thick\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall dimensions:\u003c\/strong\u003e 196 × 452 mm (7-11\/16 × 17-13\/16 in.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProjection:\u003c\/strong\u003e 4 mm (5\/32 in.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.9 kg (4.18 lb)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 743683110320\u003c\/li\u003e\n\u003cli\u003eFlyscreen supplied as standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMarine cabin-side installations where a Lewmar Size 8 stainless-steel opening portlight is specified\u003c\/li\u003e\n\u003cli\u003eLewmar specifies a minimum mounting-surface (hull) thickness of approximately 9 mm and a maximum of 30 mm for the current stainless-portlight range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSizing \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe Size 8 portlight uses a unique elliptical cut-out. Lewmar's main specification table directs installers to the dedicated Size 8 drawing rather than listing the cut-out dimensions, so confirm the vessel opening against the Lewmar Size 8 drawing before modifying the cabin structure. Do not use the outside frame dimensions as the cut-out template.\u003c\/p\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLewmar specifies installation on a flat surface within approximately ±1 mm.\u003c\/li\u003e\n\u003cli\u003eCurrent specifications list M5 × 20 mounting screws for hull thicknesses of approximately 12–17 mm; different fastener lengths may be required outside that range.\u003c\/li\u003e\n\u003cli\u003eApply an appropriate marine bedding or sealing system, and tighten the frame evenly to avoid distortion. The frame installs with sealant or closed-cell PVC tape.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace a Portlight\u003c\/h3\u003e\n\u003cp\u003eReplace the complete portlight when the frame, glazing, hinge, or closing hardware is damaged beyond practical repair, or when leakage continues after the seal and installation surfaces have been inspected and serviced.\u003c\/p\u003e\n\u003ch3\u003eManufacturer Schematic\u003c\/h3\u003e\n\u003cp\u003eLewmar's official Hatch \u0026amp; Portlight Guide contains the Size 8 specifications and directs installers to the dedicated Size 8 cut-out drawing.\u003c\/p\u003e\n\u003ch3\u003eAlso Available\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/products\/lewmar-393020262-size-0-opening-stainless-portlight-239-393020262\"\u003eLewmar — Size 0 Opening Stainless Steel Portlight — 239-393020262\u003c\/a\u003e — the smaller opening portlight in the same stainless series, with a different size and cut-out.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/products\/boatlife-life-calk-marine-polysulfide-sealant-bedding-compound-10oz-clear\"\u003eBoatLIFE Life-Calk Marine Polysulfide Sealant \u0026amp; Bedding Compound – 10 oz. Cartridge, Clear\u003c\/a\u003e — a marine bedding sealant for portlight and deck installations, sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest use case:\u003c\/strong\u003e Replacing a damaged Size 8 opening portlight, or fitting a new Lewmar Size 8 stainless-steel opening portlight where the elliptical cut-out already matches the dedicated Size 8 drawing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMost common customer mistake:\u003c\/strong\u003e Using the outside frame dimensions as the cut-out template. The Size 8 cut-out must be checked against Lewmar's dedicated drawing, not taken from the frame size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizing and fitment guidance:\u003c\/strong\u003e Confirm the vessel opening against the Size 8 drawing, check that the mounting surface is flat within approximately ±1 mm and between approximately 9 mm and 30 mm thick, and use the fastener length suited to the hull thickness before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51250761105444,"sku":"239-393820862","price":887.72,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/a3496dca-2277-4c52-afa8-d62eea492e53.png?v=1791064385","url":"https:\/\/marisolmarine.com\/products\/stainless-steel-portlight-239-393820862","provider":"Marisol Marine Company","version":"1.0","type":"link"}