Midland Industries

Midland Industries brass and composite fittings for air brake, fuel and hydraulic lines: about 550 listings, the largest fitting line we carry. Most titles give the Midland number (often written MM-xxxxx) and the industry number it replaces.

Main groups: DOT push-in air brake fittings (male and female pipe adapters, elbows, swivels, branch and run tees, unions and bulkhead unions), DOT compression fittings and ferrules for nylon tubing, 45-degree SAE flare and 37-degree JIC adapters, brass pipe bushings, reducing adapters, couplers, nipples and tees, hose barb adapters, air brake hose adapters, grease fittings, ball valves and water shutoff valves.

Sizes are listed as tube or hose size by thread (for example 3/8 push-in x 1/4 MIP). Not sure of your thread? Our fitting identification guide covers NPT, SAE flare, JIC and metric threads. Browse by type: DOT push-in, composite push-in and brass pipe fittings.