RG400

RG400 is a RG coaxial (MIL-DTL-17) cable designation: RG = Radio-frequency coaxial cable type of the old US military list (MIL-C-17, now MIL-DTL-17); popularly "Radio Guide". A modern RG label names a size and type, not a guaranteed military build; 400 = Type 400: 50 ohm; centre silver-plated copper, stranded 19 x 0.0080 in; dielectric solid PTFE, 2.95 mm (0.116 in); screen double braid, silver-plated copper (36 SC : 36 SC); jacket FEP (FEP-IX); about 4.95 mm over the jacket; RG400 = RG400: 50 ohm coaxial cable, solid PTFE, 2.95 mm (0.116 in) dielectric, double braid, silver-plated copper (36 SC : 36 SC). 50 ohm, about 4.95 mm outer diameter. MIL-DTL-17 (MIL-C-17) slash sheet M17/128-RG400.

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RG coaxial (MIL-DTL-17)

SymbolMeaning
RGRadio-frequency coaxial cable type of the old US military list (MIL-C-17, now MIL-DTL-17); popularly "Radio Guide". A modern RG label names a size and type, not a guaranteed military build
400Type 400: 50 ohm; centre silver-plated copper, stranded 19 x 0.0080 in; dielectric solid PTFE, 2.95 mm (0.116 in); screen double braid, silver-plated copper (36 SC : 36 SC); jacket FEP (FEP-IX); about 4.95 mm over the jacket
RG400RG400: 50 ohm coaxial cable, solid PTFE, 2.95 mm (0.116 in) dielectric, double braid, silver-plated copper (36 SC : 36 SC). 50 ohm, about 4.95 mm outer diameter. MIL-DTL-17 (MIL-C-17) slash sheet M17/128-RG400