50 Ohm RF coaxial BNC bulkhead solder jack connectors with bayonet locking. These 50 Ohm RF coax BNC panel mount bulkhead jacks have a nickel plated body, gold contacts, a choice of dielectric material and are supplied with or without solder terminals. For details please see Additional Data Table Stock number 745-5069 is a sealed bulkhead solder jack Stock number 820-7644 is an isolated bulkhead solder jack with a tin plated centre contact A bushing is available separately, see stock number 782-7596