Govt Issue Wiring Harness: NSN# 2590-01-083-1187. Approx 22 foot long with 13 pin male connector on one end and 13 pin female connector on the other end, cannon style. Includes 18 female waterproof military wire connectors. We have no clue what this fits but it could be used to make military wire harness or cut and use connectors and ends. New. Excellent quality.