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Parts Distributing Company (PDC) · Air System
NP68-6-6
In stock · ships from Knoxville
This is a push-to-connect (also called push-on) brass male connector fitting for heavy-duty truck and trailer air brake systems.
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Verified fitment for 2 applications
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All confirmed applications for this part number.
Other applications
Other applications
Fits any 3/8-inch OD nylon air line (SAE J844) with a 3/8-inch NPT female port. Not limited to specific vehicle models.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 6 of 6.
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It is designed to join 3/8-inch outer diameter nylon air tubing to a 3/8-inch male NPT pipe thread. The fitting requires no tools for assembly, can be reused multiple times, and resists mechanical pull-out. It is typically replaced when upgrading or repairing air lines, or if a fitting develops leaks, physical damage, or corrosion.
Part Number: NP68-6-6
PUSHLOC FITTING, CONNECTOR
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside air system