Sea Dog 357033 Boat Deck Filler Cap

These Hose Deck Fills feature a built-in key for easy cap removal. The key can be locked in the upright position to open or close the fill and then recessed into the cap for a flush surface. Cap diameter 1-7/8 Inch, thread pitch 12 NPSM straight. Caps are color-coded for easy deck fill identification, eliminating dangerous and potentially costly problems caused by misidentification. All fills and replacement caps (except waste) include attachment chain. Constructed of fiberglass filled injection molded nylon. These fills contain no metal and do not require grounding to the boat's electrical system. Installs with three #10 FH fasteners (not included). Will not work with pressurized oil injection systems.