Russian DKM or WNP fittings (P61 or H61)

Straight hose crimp fitting with 60 degree socket (ball) 

Straight spherical fitting working with a 60 socket according to DIN 7631, DIN 7647. The fitting is commonly called a Russian fitting. The fitting is very characteristic; unlike metric fittings which have a 24-degree cone, this fitting has a 60-degree cone (ball). The 60-degree cone looks identical to a DKR fitting (identical to a BSP inch fitting). WNP / DKM fittings can be found in equipment of Eastern European production (Belarus, Russia, Ukraine). Fittings appear, among others, in MTZ, BELARUS equipment. WNP/DKM fittings can be found in Eastern European production equipment, such as Belarus, Russia, Ukraine – hence it is colloquially called Russian. ENG: Straight female nipple working with socket 60. RU: Spherical nipple for 60 cone socket. In Poland, fittings of this type are designated as P61 or H61.