The 1132-4113 from SV Microwave is SMPM Female to Female Spring-Loaded Compressible Adapter that operates from DC to 40 GHz. This 50-ohm adapter has a passivated stainless steel sleeve and spring with Beryllium Copper contacts. It is available in packages that measure 0.145 inches in diameter and up to 1.010 inches (uncompressed) in length.