MIL-C-6166C, MILITARY SPECIFICATION CORD: HEADSET-MICROPHONE, CX-1301/AR (25 SEPT 1961)

MIL-C-6166C, MILITARY SPECIFICATION CORD: HEADSET-MICROPHONE, CX-1301/AR (25 SEPT 1961)., This specification covers cord designed to provide electrical connections between a boom-or mask-type microphone and headphones, and the airplane intercommunication and radio facilities.