This flange with an O-ring seal fits the tube for the non-locking version of the 3 Watertight Enclosure. Comes with O-rings.
V-Band Flange With O-Ring For Mating To The S400 Compressor Cover. Aluminum V-Band Flange Flat Face Designed To Weld To Cover Fits 3-3.5 Pipe. V-Band
3-3.5 Flat Face Aluminum O-Ring V-Band Flange And Clamp
Ideal Spectroscopy ASA 6.0 / ANSI 2 Blank Flange, with O-Ring Groove, Not Bored, Not Rotatable, 6 in OD, 4.75 in BCD, Four 0.75 in ID Bolts Holes, 304 Stainless Steel
Blue Robotics Store for Marine Robotics Components and Systems
PDF) A Low-Cost Fluorometer Applied to the Gulf of Saint Lawrence Rhodamine Tracer Experiment
PDF) AquaticVID: a low cost, extended battery life, plug-and-go video system for aquatic research
O-Ring Groove (Gland) Design: A Detailed Guideline - WayKen
BlueROV2 Underwater Vehicle Kit w/150m Tether & 4 Lights - RobotShop
O-Ring Flange (3″ Series) – Sea Outpost
O-Ring Flange (3″ Series) – Sea Outpost