Huber+Suhner 50 Ohm N Series RF Coaxial Adapters A range of 50 Ohm N series RF coaxial adapters with a variety of configurations including N plug to N plug, N jack to N jack and N plug to N jack with straight, elbow and T orientations and bulkhead mount options. Stock number 716-4811 is a N series T adapter with a jack-jack-plug configuration. These 50 Ohm N series RF coaxial adapters include N-precision to N-precision adapters for use in test and measurement applications (stock numbers 716-4849, 716-4855, 716-4877 and 716-4892. These N series precision adapters have an interface standard according to IEC 60169-16_MIL-STD-348A/402_CECC 22210.