BNC Barrel Adapter for Panel-Mount Extension
The 228226-1: It is a same-series (BNC to BNC) conversion, meaning you use it to extend a cable run, join two BNC patch cables, or bring a connection through a bulkhead. The impedance is 50 Ohms, so it belongs on RG-58, RG-142, or LMR-195 cable systems — not the 75 Ohm video world of RG-59. Rated to 4 GHz, this adapter covers the full BNC frequency band for most test equipment, telecom, and instrumentation applications. The 50 Ohm impedance is constant through the interface, so the VSWR stays low across the band — no impedance bump at the junction.
Mounting Hardware and Installation
The mounting style is panel-mount bulkhead — you drop the adapter through a chassis hole from the outside, then secure it from the inside with the lockwasher and nut. The bayonet lock on both ends mates with standard BNC plugs; the dual bayonet locks mean both cable connections are twist-locked, not just one side. The dielectric is polyethylene (PE), which is the standard material for 50 Ohm BNC interfaces — it holds the centre conductor concentric and maintains the characteristic impedance through the transition.