Banjo fitting
a compact connector used in hydraulic and pneumatic systems, allowing fluid or gas transfer at a 90-degree angle through a hollow bolt and perforated ring
en-GB/ˈbænd͡ʒəʊ ˈfɪtɪŋ/
en-US/ˈbænˌd͡ʒoʊ ˈfɪtɪŋ/
a compact connector used in hydraulic and pneumatic systems, allowing fluid or gas transfer at a 90-degree angle through a hollow bolt and perforated ring