This plug design has been adopted by most coupler manufacturers.
This plug design has been adopted by most coupler manufacturers. For this reason it is considered the industrial standard. It can be identified by the 3/16" pilot and flat bottom "V"-shaped ball groove. Conforms to ANSI (NFPA) T3.20.14-1990 dimensions. Couplers are available in both standard and push-to-connect style sleeve. Bulk. 100/box.