Pasternack Enterprises type 3/4"-20 adapters have 4 part numbers. 3/4"-20 adapter product group includes 4 in series and between series adapters. Our 3/4"-20 RF adapter product line is made up of interface combinations between a type 3/4"-20 connector and 3/4"-20. The family of 3/4"-20 adapters offers the flexibility of selection from 4 unique adapters in combination with any configurations that include brass or stainless bodies, female or male gender, 95 Ohm impedance, bulkhead, Tee, REACH and RoHS.