Amazon.com: DOT Air Brake Line Fittings Connector for Nylon Tubing 1/2", Brass Air Compression Nylon Hose Fitting with D.O.T Approved for Trucks Trailers and Industrial Repair(Pack 2) : Industrial & Scientific
90686 DOT Approved Male Connector, Compression Air Brake Fitting, Brass, 1/2" x 3/8" | Imperial Supplies
68NTA-6-4 - 68NTA Air Brake D.O.T. Compression Fitting | Progressive Hydraulics, Inc.
Amazon.com: Vis Brass DOT Air Brake Compression Fitting, 90 Degree Male Elbow, Adapter Nylon Tubing to Male Pipe, 5/8" OD x 3/8" NPT Male (Pack of 1) : Automotive
Fortpro Air Brake NTA Compression Fitting Male 45 Deg Elbow - 1/2" Tub - MaxiTrucks
Tube to Female Pipe - Bulkhead - Air Brake D.O.T. Compression Fittings for J844 Tubing - NTA | Depatie Fluid Power
Road Superior Truck Parts DOT Approved Assorted Brass Compression Fitting Kit | eBay
60NTA-6 - 60NTA Air Brake D.O.T. Compression Fitting | Progressive Hydraulics, Inc.
DOT Approved Compression Fittings - Nylon Tubing Male Elbow
Tacoma Screw Products | 3/8" D.O.T. Air Brake Fitting for Nylon Tubing (Push-In) — Bulkhead Union