Double Silver Plated Copper Shielded Teflon, Stranded Silver Plated Copper Inner conductor, 50ohm. Replaces RG-142 or RG-58. Per Foot. Continuous lengths available up to 5,000′ depending on our stock. We normally try to stock more than that and purchase in large spools to meet your length requirements. M17/128-RG400
See Military specification sheet MIL-DTL-17-128B for RG-400 details.
Use this RG400 Coax stripping guide for stripping RG400 when connecting BNC fittings.