Extension according to former DIN 46320, with Pg connection thread and Pg internal thread according to DIN 40430. External thread: Pg 21 Internal thread: Pg 29 External thread length: 7 mm Internal thread length: 14.5 mm Outside Ø: 39 mm with connection thread sealing ring 987/...(please order separately!): IP68 Material: brass, nickel-plated
