bulkhead – stainless steel DC-12,4 GHz
stainless steel – DC-18 GHz
stainless steel – DC-4 GHz
3-1/8″ – 25/58 male contact
3-1/8″ with 4 1-5/8″ outputs
conical – low ross
EIA 4″1/2 – EIA 3″1/8