SMC KFH06-01 Brass Insert Tube Fitting, Connector, 6 mm Tube OD x 4 mm Tube ID x 1/8" BSPT Male: Push To Connect Tube Fittings: Amazon.com: Industrial & Scientific
Amazon.com: Kaunosta SMA Connectors Kit Antenna Cable Connector SMA Male to Male SMA Female to Female RF Coax Adapter Kit for WiFi Antenna Coaxial Extension Cable Wireless LAN Devices Ham Radio :
SMC KQ2H07-35A Brass Push-to-Connect Tube Fitting, Adapter, 1/4" Tube OD x 1/4" NPT Male (Pack of 10): Amazon.com: Industrial & Scientific
SMC KDM20P-06 Plug-Side-Only of PBT Multi-Connector for Tubing, 6 mm Tube OD, 20 Connecting Tubes: Amazon.com: Industrial & Scientific
SMC KQ Series Brass Push-to-Connect Tube Fitting, Connector, 5/32" Tube OD x 10-32 UNF Male: Amazon.com: Industrial & Scientific