Pin for Regulator Knob.

1/4" body x 1/4" male NPT Industrial Steel Coupler for air compressors.

Spring for air regulator. This is the spring that installs directly into the plastic regulator knob, on top of the diaphragm.

To test this part. Run unit, turn off power, remove pressure line from pump. If air leaks from tank, then replace this. If your pressure switch is leaking out of the small bleeder valve on the side or if located underneath, order this valve.

Keeps your unit from slipping out of your hands.

For air filter.