These brass fittings are to suit 3/16 diameter (unless stated otherwise) copper or copper nickel brake pipe and are available with different female threads.
Automec Female Fitting For Brake Pipe - 7/16 UNF, Gold
Automec Male Fitting For Brake Pipe - 3/8 UNF Short Type, Gold
Goodridge Female Swivel Fitting For Hardline Hose - 90 Degree 9/16 UNF Thread For 10mm Hose, Black/blue
Goodridge Swept Tube 90 Degree Female Concave Seat Fitting - For -3 Hose 3/8 x 24 -3 JIC Thread In Zinc Plated Steel, Silver
Automec Female Connector - M10 x 1, Gold
Moquip Straight Fitting For 100R6 Push On Hose - 6 JIC Thread For 3/8 Inch Bore Hose, Gold