![beckson-1500x1500](https://www.rhsboating.com.au/images/com_hikashop/upload/beckson-1500x1500.jpg) Refresh cabin ventilation and access with Beckson opening ports and matching replacement parts. The catalogue includes opening ports alongside selected lenses, gaskets, screens and latch components. For a replacement, compare the port model, cut-out dimensions and overall size rather than relying on appearance alone. Matching the correct parts can help you maintain an existing installation. Explore the Beckson listings at RHS Boating & Marine for product details and available options. [ ![817598](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/817598.jpg "Superwinch Spectra Rope 7mm x 10m Snap Hook – Boating Rope & Lines") ](https://www.rhsboating.com.au/categories/superwinch-spectra-rope-7mm-x-10m-snap-hook-boating-rope-lines.html) $77.28 each [ Superwinch Spectra Rope 7mm x 10m Snap Hook – Boating Rope & Lines ](https://www.rhsboating.com.au/categories/superwinch-spectra-rope-7mm-x-10m-snap-hook-boating-rope-lines.html) [ 817598 ](https://www.rhsboating.com.au/categories/superwinch-spectra-rope-7mm-x-10m-snap-hook-boating-rope-lines.html) [+](#) [–](#) [ ![817590](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/817590.jpg "Superwinch Spectra Rope 7mm x 6m S Hook – Boating Rope & Lines") ](https://www.rhsboating.com.au/categories/superwinch-spectra-rope-7mm-x-6m-s-hook-boating-rope-lines.html) $53.35 each [ Superwinch Spectra Rope 7mm x 6m S Hook – Boating Rope & Lines ](https://www.rhsboating.com.au/categories/superwinch-spectra-rope-7mm-x-6m-s-hook-boating-rope-lines.html) [ 817590 ](https://www.rhsboating.com.au/categories/superwinch-spectra-rope-7mm-x-6m-s-hook-boating-rope-lines.html) [+](#) [–](#) [ ![817595](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/817595.jpg "Superwinch Spectra Rope 7mm x 7m Snap Hook – Boating Rope & Lines") ](https://www.rhsboating.com.au/categories/superwinch-spectra-rope-7mm-x-7m-snap-hook-boating-rope-lines.html) $56.60 each [ Superwinch Spectra Rope 7mm x 7m Snap Hook – Boating Rope & Lines ](https://www.rhsboating.com.au/categories/superwinch-spectra-rope-7mm-x-7m-snap-hook-boating-rope-lines.html) [ 817595 ](https://www.rhsboating.com.au/categories/superwinch-spectra-rope-7mm-x-7m-snap-hook-boating-rope-lines.html) [+](#) [–](#) [ ![648681](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/648681.jpg "Suspension Pedestal – 320mm High – Marine Seating – Boat Seat & Table Fittings") ](https://www.rhsboating.com.au/categories/suspension-pedestal-320mm-high-marine-seating-boat-seat-table-fittings.html) $1,481.41 each [ Suspension Pedestal – 320mm High – Marine Seating – Boat Seat & Table Fittings ](https://www.rhsboating.com.au/categories/suspension-pedestal-320mm-high-marine-seating-boat-seat-table-fittings.html) [ 648681 ](https://www.rhsboating.com.au/categories/suspension-pedestal-320mm-high-marine-seating-boat-seat-table-fittings.html) [+](#) [–](#) [ ![648682](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/648682.jpg "Suspension Pedestal – 360mm High – Marine Seating – Boat Seat & Table Fittings") ](https://www.rhsboating.com.au/categories/suspension-pedestal-360mm-high-marine-seating-boat-seat-table-fittings.html) $1,481.41 each [ Suspension Pedestal – 360mm High – Marine Seating – Boat Seat & Table Fittings ](https://www.rhsboating.com.au/categories/suspension-pedestal-360mm-high-marine-seating-boat-seat-table-fittings.html) [ 648682 ](https://www.rhsboating.com.au/categories/suspension-pedestal-360mm-high-marine-seating-boat-seat-table-fittings.html) [+](#) [–](#) [ ![CP6010](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/CP6010.jpg "Swage tool 20” suits 1/16, 3/32 & 1/8” wire – Boat Rigging – CP6010") ](https://www.rhsboating.com.au/categories/swage-tool-20-suits-1-16-3-32-1-8-wire-boat-rigging-cp6010.html) $77.15 each [ Swage tool 20” suits 1/16, 3/32 & 1/8” wire – Boat Rigging – CP6010 ](https://www.rhsboating.com.au/categories/swage-tool-20-suits-1-16-3-32-1-8-wire-boat-rigging-cp6010.html) [ CP6010 ](https://www.rhsboating.com.au/categories/swage-tool-20-suits-1-16-3-32-1-8-wire-boat-rigging-cp6010.html) [+](#) [–](#) [ ![CP6014](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/CP6014.jpg "Swage tool 24” suits 1/16, 3/32, 1/8, 5/32 & 3/16” wire – Boat Rigging") ](https://www.rhsboating.com.au/categories/swage-tool-24-suits-1-16-3-32-1-8-5-32-3-16-wire-boat-rigging.html) $112.15 each [ Swage tool 24” suits 1/16, 3/32, 1/8, 5/32 & 3/16” wire – Boat Rigging ](https://www.rhsboating.com.au/categories/swage-tool-24-suits-1-16-3-32-1-8-5-32-3-16-wire-boat-rigging.html) [ CP6014 ](https://www.rhsboating.com.au/categories/swage-tool-24-suits-1-16-3-32-1-8-5-32-3-16-wire-boat-rigging.html) [+](#) [–](#) [ ![SS315ANL-50](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/SS315ANL-50.jpg "Swivel Head Block – Type DOUBLE with Becket – Boat Rigging – SS315ANL-50") ](https://www.rhsboating.com.au/categories/swivel-head-block-type-double-with-becket-boat-rigging-ss315anl-50.html) $34.74 each [ Swivel Head Block – Type DOUBLE with Becket – Boat Rigging – SS315ANL-50 ](https://www.rhsboating.com.au/categories/swivel-head-block-type-double-with-becket-boat-rigging-ss315anl-50.html) [ SS315ANL-50 ](https://www.rhsboating.com.au/categories/swivel-head-block-type-double-with-becket-boat-rigging-ss315anl-50.html) [+](#) [–](#) [ ![SS3151-32](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/SS3151-32.jpg "Swivel Head Block – Type DOUBLE – Boat Rigging – Boat Rigging Hardware") ](https://www.rhsboating.com.au/categories/swivel-head-block-type-double-boat-rigging-boat-rigging-hardware.html) $21.59 each [ Swivel Head Block – Type DOUBLE – Boat Rigging – Boat Rigging Hardware ](https://www.rhsboating.com.au/categories/swivel-head-block-type-double-boat-rigging-boat-rigging-hardware.html) [ SS3151-32 ](https://www.rhsboating.com.au/categories/swivel-head-block-type-double-boat-rigging-boat-rigging-hardware.html) [+](#) [–](#) [ ![SS3151-50](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/SS3151-50.jpg "Swivel Head Block – Type DOUBLE – SS3151-50 – Boat Rigging – SS3151-50") ](https://www.rhsboating.com.au/categories/swivel-head-block-type-double-ss3151-50-boat-rigging-ss3151-50.html) $34.24 each [ Swivel Head Block – Type DOUBLE – SS3151-50 – Boat Rigging – SS3151-50 ](https://www.rhsboating.com.au/categories/swivel-head-block-type-double-ss3151-50-boat-rigging-ss3151-50.html) [ SS3151-50 ](https://www.rhsboating.com.au/categories/swivel-head-block-type-double-ss3151-50-boat-rigging-ss3151-50.html) [+](#) [–](#) [ ![SS3141-32](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/SS3141-32.jpg "Swivel Head Block – Type SINGLE – Boat Rigging – Boat Rigging Hardware") ](https://www.rhsboating.com.au/categories/swivel-head-block-type-single-boat-rigging-boat-rigging-hardware.html) $17.44 each [ Swivel Head Block – Type SINGLE – Boat Rigging – Boat Rigging Hardware ](https://www.rhsboating.com.au/categories/swivel-head-block-type-single-boat-rigging-boat-rigging-hardware.html) [ SS3141-32 ](https://www.rhsboating.com.au/categories/swivel-head-block-type-single-boat-rigging-boat-rigging-hardware.html) [+](#) [–](#) [ ![SS3141-50](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/SS3141-50.jpg "Swivel Head Block – Type SINGLE – SS3141-50 – Boat Rigging – SS3141-50") ](https://www.rhsboating.com.au/categories/swivel-head-block-type-single-ss3141-50-boat-rigging-ss3141-50.html) $22.44 each [ Swivel Head Block – Type SINGLE – SS3141-50 – Boat Rigging – SS3141-50 ](https://www.rhsboating.com.au/categories/swivel-head-block-type-single-ss3141-50-boat-rigging-ss3141-50.html) [ SS3141-50 ](https://www.rhsboating.com.au/categories/swivel-head-block-type-single-ss3141-50-boat-rigging-ss3141-50.html) [+](#) [–](#) [ ![SS3141S-32](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/SS3141S-32.jpg "Swivel Head Block – Type SINGLE – SS3141S-32 – Boat Rigging – SS3141S-32") ](https://www.rhsboating.com.au/categories/swivel-head-block-type-single-ss3141s-32-boat-rigging-ss3141s-32.html) $25.10 each [ Swivel Head Block – Type SINGLE – SS3141S-32 – Boat Rigging – SS3141S-32 ](https://www.rhsboating.com.au/categories/swivel-head-block-type-single-ss3141s-32-boat-rigging-ss3141s-32.html) [ SS3141S-32 ](https://www.rhsboating.com.au/categories/swivel-head-block-type-single-ss3141s-32-boat-rigging-ss3141s-32.html) [+](#) [–](#) [ ![SS3141S-50](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/SS3141S-50.jpg "Swivel Head Block – Type SINGLE – SS3141S-50 – Boat Rigging – SS3141S-50") ](https://www.rhsboating.com.au/categories/swivel-head-block-type-single-ss3141s-50-boat-rigging-ss3141s-50.html) $35.52 each [ Swivel Head Block – Type SINGLE – SS3141S-50 – Boat Rigging – SS3141S-50 ](https://www.rhsboating.com.au/categories/swivel-head-block-type-single-ss3141s-50-boat-rigging-ss3141s-50.html) [ SS3141S-50 ](https://www.rhsboating.com.au/categories/swivel-head-block-type-single-ss3141s-50-boat-rigging-ss3141s-50.html) [+](#) [–](#) [ ![RWB1691](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB1691.jpg "Swivelling Stainless Canopy Deck Mount - All heavy-duty stainless canopy fittings") ](https://www.rhsboating.com.au/categories/swivelling-stainless-canopy-deck-mount-all-heavy-duty-stainless-canopy-fittings.html) $19.23 each [ Swivelling Stainless Canopy Deck Mount - All heavy-duty stainless canopy fittings ](https://www.rhsboating.com.au/categories/swivelling-stainless-canopy-deck-mount-all-heavy-duty-stainless-canopy-fittings.html) [ RWB1691 ](https://www.rhsboating.com.au/categories/swivelling-stainless-canopy-deck-mount-all-heavy-duty-stainless-canopy-fittings.html) [+](#) [–](#) [ ![380174](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/380174.jpg "T Bolt Marine Hose Clamp – 44-47mm – Boat Plumbing Fittings 380174") ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-44-47mm-boat-plumbing-fittings-380174.html) $13.59 each [ T Bolt Marine Hose Clamp – 44-47mm – Boat Plumbing Fittings 380174 ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-44-47mm-boat-plumbing-fittings-380174.html) [ 380174 ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-44-47mm-boat-plumbing-fittings-380174.html) [+](#) [–](#) [ ![380175](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/380175.jpg "T Bolt Marine Hose Clamp – 48-51mm – Boat Plumbing Fittings 380175") ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-48-51mm-boat-plumbing-fittings-380175.html) $13.82 each [ T Bolt Marine Hose Clamp – 48-51mm – Boat Plumbing Fittings 380175 ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-48-51mm-boat-plumbing-fittings-380175.html) [ 380175 ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-48-51mm-boat-plumbing-fittings-380175.html) [+](#) [–](#) [ ![380178](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/380178.jpg "T Bolt Marine Hose Clamp – 60-63mm – Boat Plumbing Fittings 380178") ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-60-63mm-boat-plumbing-fittings-380178.html) $14.37 each [ T Bolt Marine Hose Clamp – 60-63mm – Boat Plumbing Fittings 380178 ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-60-63mm-boat-plumbing-fittings-380178.html) [ 380178 ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-60-63mm-boat-plumbing-fittings-380178.html) [+](#) [–](#) [ ![380179](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/380179.jpg "T Bolt Marine Hose Clamp – 64-67mm – Boat Plumbing Fittings 380179") ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-64-67mm-boat-plumbing-fittings-380179.html) $15.79 each [ T Bolt Marine Hose Clamp – 64-67mm – Boat Plumbing Fittings 380179 ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-64-67mm-boat-plumbing-fittings-380179.html) [ 380179 ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-64-67mm-boat-plumbing-fittings-380179.html) [+](#) [–](#) [ ![380180](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/380180.jpg "T Bolt Marine Hose Clamp – 68-73mm – Boat Plumbing Fittings 380180") ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-68-73mm-boat-plumbing-fittings-380180.html) $16.57 each [ T Bolt Marine Hose Clamp – 68-73mm – Boat Plumbing Fittings 380180 ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-68-73mm-boat-plumbing-fittings-380180.html) [ 380180 ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-68-73mm-boat-plumbing-fittings-380180.html) [+](#) [–](#) [ ![380181](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/380181.jpg "T Bolt Marine Hose Clamp – 74-79mm – Boat Plumbing Fittings 380181") ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-74-79mm-boat-plumbing-fittings-380181.html) $18.30 each [ T Bolt Marine Hose Clamp – 74-79mm – Boat Plumbing Fittings 380181 ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-74-79mm-boat-plumbing-fittings-380181.html) [ 380181 ](https://www.rhsboating.com.au/categories/t-bolt-marine-hose-clamp-74-79mm-boat-plumbing-fittings-380181.html) [+](#) [–](#) Display #21 - [](https://www.rhsboating.com.au/brands-listing/category/beckson-boat-opening-ports-replacement-parts/view-category/layout-listing.html?start=5061&limit=21) - [](https://www.rhsboating.com.au/brands-listing/category/beckson-boat-opening-ports-replacement-parts/view-category/layout-listing.html?start=5061&limit=21) - [237](https://www.rhsboating.com.au/brands-listing/category/beckson-boat-opening-ports-replacement-parts/view-category/layout-listing.html?start=5061&limit=21 "237") - [238](https://www.rhsboating.com.au/brands-listing/category/beckson-boat-opening-ports-replacement-parts/view-category/layout-listing.html?start=5061&limit=21 "238") - [239](https://www.rhsboating.com.au/brands-listing/category/beckson-boat-opening-ports-replacement-parts/view-category/layout-listing.html?start=5061&limit=21 "239") - [240](https://www.rhsboating.com.au/brands-listing/category/beckson-boat-opening-ports-replacement-parts/view-category/layout-listing.html?start=5061&limit=21 "240") - [241](https://www.rhsboating.com.au/brands-listing/category/beckson-boat-opening-ports-replacement-parts/view-category/layout-listing.html?start=5061&limit=21 "241") - 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