The MIL-DTL-17-27478 is a military-grade, 50-ohm coaxial cable manufactured by Harbour Industries under the M17/60-RG142 specification. It features a 26 AWG silver-plated copper-clad steel center conductor, PTFE dielectric, dual silver-plated copper braids for superior shielding, and a FEP outer jacket for rugged, high-temperature use. This cable is QPL-approved for MIL-DTL-17 standards and is ideal for high-frequency RF signal transmission in aerospace, defense, communications, and lab environments.