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Knox Trailers · Air System
68NAB-6-4
In stock · ships from Knoxville
This is a brass male connector straight adapter designed for nylon air brake tubing.
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Other applications
Other applications
Fits any component with a 1/4" female pipe thread and 3/8" nylon air line. Meets DOT FMVSS 571.106 and SAE J246, J1131 for air brake systems.
Part data verified against 4 catalog sources
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It connects a 3/8 inch outer diameter nylon air line (SAE J844) to a 1/4 inch male NPT threaded port. Typically used in heavy-duty truck and trailer air systems to attach air lines to valves, air tanks, or brake chambers. It is replaced when the compression fitting leaks, threads are damaged, or during air line repairs.
Part Number: 68NAB-6-4
BRASS FITTING
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside air system
