Earl's 4an Male to 16mm x 1.50 Male Fitting AT9919BFJERL

Fitting - Adapter - Straight - 4 AN Male to 16 mm x 1.50 in Male - Aluminum - Black Anodized - Each

Fittings Hoses and Valves, Fittings and Plugs, AN-NPT Fittings and Components by EARLS