... Loaded Sockets) for vibrating environmentsCircular Connectors: M16 Signal Connector Panel with built-in Strain Relief, Male ThreaRear Mount ... for M16 Signal ConnectorsNumber of PolesRequired ContactsInsert 3-pole (3 x 1 mm)3 x 1 mmInsert ... 0.8 mm4 x 1.6 mmInsert 8-pole (4+3+PE 630V)4 x 0.8 ... Reducers, Enlargers, Dome/Hex Plugs, Lock Nuts, Seal Rings, Multi-Hole Inserts: Silicone, Viton® & now new Membrane Black ...