These brass fittings are to suit 3/16 diameter (unless stated otherwise) copper or copper nickel brake pipe and are available with different male threads.
Goodridge Straight Male Convex Seat Bulkhead Fitting - For -3 Hose 3/8 x 24 -3 JIC Thread In Stainless Steel, Silver
Goodridge Straight Male Concave Seat Fitting - For -3 Hose 3/8 x 24 -3 JIC Thread In Zinc Plated Steel, Silver
Moquip Straight Fitting For 100R6 Push On Hose - 8 JIC Thread For 1/2 Inch Bore Hose, Gold
Owl Labs USB C Male to USB C Male Cable for Meeting Owl 3 (16 Feet / 4
Moquip 90 Degree Fitting For 100R6 Push On Hose - 6JIC TO TAKE 5/16 HOSE, Gold
Goodridge Forged 90 Degree Female Concave Seat Fitting - For -3 Hose 3/8 x 24 -3 JIC Thread In Stainless Steel, Silver