It uses a snap-on coupling — quick to mate and unmate, no threads to cross, but the retention depends on the spring detent being clean and engaged. The nickel-plated brass body and silver housing give it a standard industrial RF finish, while the center contact carries gold plating for consistent low-resistance mating over the rated 500 cycles. Insertion loss is spec'd at 0.6 dB through 4 GHz — a clean pass-through for an SMB snap-on interface. The shield and center contact both terminate via solder, so this is a hand-solder-to-board or solder-to-cable install, not a crimp or press-fit. The single-port configuration is standard for a point-to-point RF interconnect.
Nickel vs Gold Body Finish — 414026-3 vs 414026-2
The 414026-3 and its sibling 414026-2 are electrically identical — both are 50 Ohm SMB receptacles, single-port, rated 4 GHz, 335 V, with the same 0.6 dB insertion loss and 500-cycle life. The difference is the body finish: the 414026-3 has a nickel body and silver housing, while the 414026-2 uses a gold body and gold housing. For most RF paths the nickel finish is fine — the signal path is through the gold-plated center contact, not the shell — but if the application requires gold-to-gold shell mating for corrosion resistance in a harsh environment, the 414026-2 is the pick. The nickel body on the 414026-3 is the cost-effective standard choice for indoor or controlled-environment gear.