Bulkhead union fittings connect two tubes through a panel or other barrier. NITRA push-to-connect bulkhead union pneumatic fittings have strong nickel-plated brass bodies with stainless steel tube gripping claws. Release rings are color coded to distinguish between inch (black) and metric (blue) sizes.
NITRA air pneumatic plug fitting. For use with push-to-connect air fittings. Five plug fittings per package.
Plug fittings start at