{"product_id":"sea-dog-90-degree-round-base-rail-fitting-7-8-inch-tube-316-stainless-steel-mpn-280900-1","title":"Sea-Dog 90 Degree Round Rail Base Fitting, 7\/8 Inch Tube, 316 Stainless Steel, 280900-1","description":"\u003cp\u003eThe Sea-Dog 280900-1 is a 90 degree round base fitting built for 7\/8 inch diameter rail tubing on boats and other marine applications. It is used to change the direction of a round rail run by 90 degrees while keeping a low-profile, finished look at the joint. The fitting is constructed of investment cast 316 stainless steel, giving it strong resistance to corrosion in saltwater and marine environments over long-term outdoor exposure.\u003c\/p\u003e\u003cp\u003eThe fitting has a round base measuring 2-5\/8 inch across and mounts to a deck or structure using three #10 flat head fasteners, which are not included. Where applicable, the fitting includes set screws that secure the tubing in place; these set screws require a 1\/8 inch Allen wrench to install, and replacement set screws are available separately if needed. The fitting is designed for stainless tubing with a 0.049 inch wall thickness. This part is sold as a single unit and is intended for use with 7\/8 inch round rail systems on boats, docks, and similar structures.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sea-Dog\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 280900-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e 90 Degree Round Rail Base Fitting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Outer Diameter:\u003c\/strong\u003e 7\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Diameter:\u003c\/strong\u003e 2-5\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFastener Size:\u003c\/strong\u003e #10 Flat Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 316 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Investment Cast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.418 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Dimensions:\u003c\/strong\u003e 7.88 x 3.88 x 2.13 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Tool Required:\u003c\/strong\u003e 1\/8 inch Allen wrench\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFasteners Required:\u003c\/strong\u003e Three flat head fasteners (not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless Tube Wall Thickness:\u003c\/strong\u003e 0.049 inch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits 7\/8 inch outer diameter round rail tubing.\u003c\/p\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cp\u003eNo OEM cross-reference numbers apply to this part.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat tube diameter is the Sea-Dog 280900-1 rail base fitting made for?\u003c\/strong\u003e The Sea-Dog 280900-1 is made for 7\/8 inch outer diameter round rail tubing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a straight fitting or an angled fitting?\u003c\/strong\u003e The 280900-1 is a 90 degree fitting, used to turn a round rail run at a right angle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the 280900-1 rail base fitting made from?\u003c\/strong\u003e It is made of investment cast 316 stainless steel, chosen for its corrosion resistance in marine environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow does the fitting attach to the deck or structure?\u003c\/strong\u003e The base of the 280900-1 mounts using three #10 flat head fasteners, which are not included with the fitting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 280900-1 include set screws for the tubing?\u003c\/strong\u003e Yes, this round base fitting includes set screws where appropriate to secure the tubing; replacement set screws are sold separately as part number 299999-1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat tool is needed to install the set screws on this fitting?\u003c\/strong\u003e A 1\/8 inch Allen wrench is required to install the set screws on the Sea-Dog 280900-1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 280900-1 weigh?\u003c\/strong\u003e The Sea-Dog 280900-1 90 degree round base fitting weighs 0.418 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat wall thickness of stainless tubing is this fitting designed for?\u003c\/strong\u003e The 280900-1 is designed for stainless tubing with a wall thickness of 0.049 inch.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this fitting for round rail or rectangular rail?\u003c\/strong\u003e This is a round base fitting, intended for round rail tubing rather than rectangular rail.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the overall dimensions of the 280900-1 fitting?\u003c\/strong\u003e The fitting measures 7.88 x 3.88 x 2.13 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the 280900-1 fit 1 inch rail tubing?\u003c\/strong\u003e No, the 280900-1 is sized for 7\/8 inch tubing; the equivalent 90 degree round base fitting for 1 inch tubing is a separate part, 280901-1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 280900-1 suitable for saltwater use?\u003c\/strong\u003e Yes, because it is investment cast from 316 stainless steel, the 280900-1 resists corrosion in saltwater and other marine environments.\u003c\/p\u003e","brand":"Sea-Dog","offers":[{"title":"Default Title","offer_id":48988560851163,"sku":"S-D-280900-1","price":20.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/3945_ab044076-8fb3-401a-8d48-296477d128b7.jpg?v=1784423245","url":"https:\/\/www.goodvibesmarina.com\/products\/sea-dog-90-degree-round-base-rail-fitting-7-8-inch-tube-316-stainless-steel-mpn-280900-1","provider":"Good Vibes Marina","version":"1.0","type":"link"}