Milton® (S-659w) 1/4" NPT Full-Swivel Air Hose End Fitting (Female)
1/4" FNPT swivel hose ends help eliminate kinked and twisted airlines. Offers a full 360-degree swivel and made of steel construction with a black oxide finish. This is the ¼" NPT female hose end.
For the ¼" NPT male hose end (Barb ID): Milton® #658
For the ¼" NPT male hose end (Barb ID): Milton® #658-1