Radio-frequency (RF) coaxial connector patterns which may preferably be used with RF cables.These connector patterns are for medium power, quick disconnect applications using a bayonet type coupling mechanism and are commonly known as Type C.
BS 3041-7:1996 history
1996BS 3041-7:1996 Radio-frequency connectors. R.F. coaxial connectors with inner diameter of output conductor 9,5 mm (0,374 in) with bayonet lock. Characteristic impedance 50 ohms (Type C)