Has grounding screw. Length 1-7/8". Overall OD 3-1/8". Mount with #6 screws. Cap is marked "GAS". Rubber gasket for secure fitting. Fasten with #10 screws. Tough molded plastic flip top "GAS" fill with integral tank vent. In compliance with USCG regulations, fuel splash back goes back down neck instead of overboard due to the integral tank vent with flame arrestor. Hinged flip top cap makes deck plate key obsolete and eliminates cap loss. Fiberglass nylon deck fill. Rubber gasket included for secure closing. Built-in tap for easy opening without special tools. Fasten with #10 screws. 316 Cast stainless steel deck fill. Fiberglass nylon deck fill. Rubber gasket included for secure closing. Built-in tap for easy opening without special tools. Fasten with #10 screws. 316 Stainless Steel Locking Gas Deck Fillcap is marked "GAS". Includes (2) keys. Mount with #10 screws.
