Brass Compression Union DOT 5/32IN, 177.146225

This brass DOT-approved compression union joins two lengths of 5/32in nylon air brake tubing, cross-referenced as 177.146225. It's built to Department of Transportation specifications for air brake systems on heavy-duty trucks and trailers, holding a leak-tight seal under system pressure without crimping the tubing.

This brass fitting ships fast from our Pennsylvania warehouse near the I-78 corridor, so fleets and independent shops can get back on the road quickly. Give us a call with your part number or application details for a fit check, and ask about financing options for larger parts orders.