B&K 3-Pack 3/8-in Compression Nut Cap Fitting

For use with instrumentation, hydraulic and pneumatic systems. Designed for use with aluminum, copper and plastic tubing, but not intended for use with steel tubing. Ideal for potable water, instrumentation, hydraulic and pneumatic systems. Pressure rating: 200 psi maximum. Straight thread 9/16 - 24. 3 parts per pack.