Adapter with Pg connection thread according to DIN 40430 and metric internal thread according to DIN EN 60423, glass fiber reinforced, halogen-free. External thread: Pg 13.5 Internal thread: M 16 External thread length: 9 mm Internal thread length: 8.5 mm Wrench size: 24 with connecting thread sealing ring 987/...(please order separately!) : IP68 Operating temperature range: -30° to 100°C Material: Polyamide Color: light gray RAL: 7035 (similar)