Adapter, with metric connection thread according to DIN EN 60423 and Pg internal thread according to DIN 40430, with knurled collar. External thread: M 40 Internal thread: Pg 21 External thread length: 8 mm Internal thread length: 11.5 mm Wrench size: 43 mm With connecting thread sealing ring 987M... (please order separately!) : IP68 Material: Brass, nickel-plated
