MIL-DTL-5898 Cords, Electrical \(Wf-5/U, Wf-14/U, Wd-34/U, Wm-53/U, Wm-85/U\)This specification covers conductor-insulated, jacketed, electrical cords used to fabricate combination headset-microphone extension cords and microphone extension cords for installation in defense aircraft equipped with intercommunication sets.