1/2 inch male NPT industrial interchange plug. Connects threaded tool inlets and pipe to matching Air Chief industrial couplers for compressed air service.
Reducing industrial interchange plug, 1/2 inch body with 3/8 inch male NPT. Steps down from 1/2 inch coupler body to a 3/8 inch threaded inlet on tools and lines.
1/2 inch female NPT industrial interchange plug. Connects compressed air lines and fittings to matching Air Chief industrial couplers on higher-flow tools.
3/8 inch male NPT industrial interchange plug. Threads onto pipe and pneumatic tools for connection to Air Chief industrial couplers in shop and field work.
1/4 inch female NPT industrial interchange plug. Standard pneumatic plug for compressed air tools and lines in fabrication shops and industrial maintenance work.