Tank Cap with Winch Socket (BSP, replacement) — Parametric (3D Print)

🔖 Art. ML3D_0023

🔖 Art. ML3D_0023 Parametric REPLACEMENT TANK CAP by MarineLab3D — male BSP thread (ISO 228, in inches) that screws into existing female bungs. Lost or broken your tank cap? Reprint one to size. 🔩 BSP thread: 1/2" to 2 1/2" (inch sizes, as deck/tank bungs are specified) · selectable thread length ⬇ Flange Ø parametric (min = thread + 2 mm) with a top inward chamfer 💧 O-ring face seal under the head, with adjustable lateral position (0 = next to the thread → out toward the flange edge) 🗝️ Opened with a standard winch handle (central 8-point socket, 11/16" / 17.5 mm) 🏷️ Engraved label: WATER / DIESEL / WASTE · solid threaded body 🖨️ Print: ASA (best UV resistance) or PETG for water; for DIESEL or GASOLINE print in PA612-CF (10–15% carbon fiber). 0.2 mm layers, 3–4 perimeters. Fit an O-ring in the seat for sealing. Use “Customize dimensions” to set the BSP size, thread length, flange Ø, O-ring position and label, preview in 3D, then receive your STL after purchase. 🖨️ No 3D printer? After your purchase, on your download page you can request an instant print quote: your model is sent pre-loaded to our partner Craftcloud, which compares ~180 print services worldwide and ships the finished part to your door — no printer or setup required. 📄 License — Personal use only. Print this model for your own personal use. Reselling or redistributing the file, or selling printed copies, is not allowed. © MarineLab3D — full terms: https://marinelab3d.com/pages/license

Related designs: Deck Filler with Hose Barb + Winch Cap (Water/Diesel/Waste) — Parametric (3D Print), Boat Key — Winch Key for Tank/Deck Caps — Parametric (3D Print), Screw-out Deck Inspection Plate (Winch-open) — Parametric (3D Print)

Disclaimer. MarineLab3D sells digital 3D files, not finished parts. The strength, fit and safety of the printed part depend on your printer, material, settings and assembly, which are outside our control. Verify all dimensions before printing, use the recommended material and inspect every print. Provided “as is” without warranty; to the maximum extent permitted by law MarineLab3D is not liable for any damage, loss or injury arising from their use. Not certified marine equipment. Full Disclaimer & Terms of Use.

⚠ Load-bearing / pressure part. Suggested loads or pressures are indicative estimates for a well-printed part in the recommended material, not guarantees. Run your own load/pressure test before relying on it. Do not use for life-safety or critical applications (lifelines, harness/tether attachment, standing rigging, steering, gas or fuel systems) unless independently tested and certified by a qualified professional.