KCC178941
2.9mm Straight Female Jack Receptacle, 4 Hole Flange Mount (0.375") Extended Teflon (.115"), .025" Pin, PSS, 50 Ohm, DC-40 GHz 
KCC177205
2.92mm Straight Female Jack Receptacle, 4 Hole Flange Mount (0.5"), Extended Teflon (0.225"), Blunt Post, PSS, 50 Ohm, DC-40 GHz
KCC197992
2.92mm Straight Female Jack, PSS, DC-40 GHz, 50 Ohm, Clamp/Solder, for .141 S/R (RG-402)