The BrassCraft 1/4 in. O.D. tube compression nut is machined from brass for compression connections used in plumbing, instrumentation, hydraulic and pneumatic systems. It can be used with copper, aluminum or plastic tubing, but is not recommended for steel tubing.
BrassCraft compression nut features
Tubing material compatibility
Use with copper, aluminum or plastic tubing; steel tubing is not recommended.
Fluid-system applications
Compression fittings of this type are used with water, air, vacuum, oil, grease and gasoline lines.
