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Imperial · Hardware & Fasteners
90340
In stock · ships from Knoxville
This is a 3/8-inch brass hex nipple, a short pipe fitting with male threads on both ends and a hex section in the middle for wrench tightening.
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Verified fitment for 1 applications
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All confirmed applications for this part number.
Universal fit
Universal fitting for 3/8-inch pipe connections; not vehicle-specific. Found in many truck and trailer air/fluid systems where a 3/8" brass nipple is required.
Part data verified against 2 catalog sources
Numbers this part supersedes or interchanges with. Showing 16 of 24.
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It is used in low to medium pressure air and fluid lines—common in heavy-duty truck air brake, fuel, or coolant systems—to connect or extend pipe runs. Replacing a worn or leaking nipple helps maintain reliable system pressure and prevent fluid loss.
Part Number: 90340
Brass hex nip 3/8 in
Unit: ea
Dealer: KP Services Crossville
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