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Imperial Supplies · Air System
90655
In stock · ships from Knoxville
This is a brass compression nut for 1/4 in. air brake tubing.
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It threads onto the fitting body and tightens over a separate brass sleeve to create a leak-proof seal on nylon air brake lines. You replace it when the nut becomes rounded, corroded, or the original nut’s threads are damaged—always use a new nut and sleeve together for a reliable, DOT‑compliant repair.
Part Number: 90655
BRASS COMPRESSION NUT
Vendor: Imperial
Dealer: KP Services Crossville
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Parts commonly needed alongside air system
