MIL-W-16878 wire

Surplus wire types include teflon-coated silver-plated hookup and multi-conductor shielded coax magnet and some nichrome resistance-wire for sale.

Additionally a more comprehensive inventory list (filtered) is available as a CSV file or if you didn't understand that there is also a Linux generated Excel version.

MIL-W-16878/E Teflon Coated Silver Plated Wire. Selection from many colors and gauges some solid but most stranded. Available Single conductor, Multi conductor, Shielded, COAX, Ribbon as well as other combinations. MIL-W-16878 Specifications are also available.
Teflon Tubing.
Teflon/Silver Ribbon Cable.
Teflon/Silver COAX Cable.
Enamel Coated Solid Copper Wire.
Enamel Coated Resistance Alloy Wire.
Tin Coated Copper Braid/Shield Strapping.
RF Chassis/Bulkhead Gasket/Shileding.