Male O-Ring Boss (Orb) Rigid 5/8 Inch Hose X 3/4 Inch Tube Best Seller Hood Insulation Retainer - GM

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Male O-Ring Boss (Orb) Rigid 5/8 Inch Hose X 3/4 Inch Tube Best Seller Hood Insulation Retainer - GMORB (O Ring Boss) fittings are used in hydraulic systems to create a secure leak proof seal and are especially useful in high pressure applications. They are made up of a male and female part each with specific threading and sealing surfaces. The male part has a groove for an O ring while the female part has a machined surface with a chamfer. When the two parts are mated the O ring compresses into the chamfer to create a tight seal.