N Male Connector 4 Hole Flange with Coaxial End, DC to 3GHz. PN: 50-03-8F7-299
SMA 4 Hole Flange Mount Male Connector with Slot, DC to 18GHz PN: 60-03-8F3-505
SMA 4 Hole Flange Mount Male connector with Slot, DC to 12.4GHz PN: 60-03-8F3-424
N Male Connector with 4 Hole Flange Connector PN: 50-03-8F8-189