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The MIDLAND INDUSTRIES 38337 is a brass male pipe adapter designed to connect a 1/2-inch hose end to a 1/2-inch male pipe thread. Built for D.O.T. air brake hose systems, this fitting handles operating pressures up to 125 psi and a temperature range of -400 to 1200 degrees F, making it suited for demanding air brake and pneumatic service environments. The 1-1/8-20 thread specification ensures a secure, leak-resistant connection. Licensed trade professionals install this adapter during air brake system maintenance, hose end replacement, or pneumatic line assembly on commercial vehicles and stationary equipment.
The 38337 is designed for use in D.O.T. air brake hose and end applications. It serves as a transition fitting between a hose connection and a male pipe thread port, commonly encountered in commercial vehicle brake systems, fleet maintenance bays, and compressed air distribution lines. Its brass construction provides corrosion resistance in moisture-exposed environments typical of air brake service. A minimum order quantity of one unit makes it accessible for single-repair applications.
Designed as an OEM-style replacement male pipe adapter for D.O.T. air brake hose and end assemblies requiring a 1/2-inch hose to 1/2-inch male pipe connection with 1-1/8-20 thread.
Installation should be performed by a qualified mechanic or fleet technician familiar with D.O.T. air brake system regulations. Depressurize the air brake system fully before removing or installing any fittings. Apply thread sealant appropriate for pneumatic brass fittings and do not overtighten, as brass threads can be damaged by excessive torque. Verify system integrity by pressure-testing the repaired circuit before returning the vehicle or equipment to service.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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