Department of the Army Technical Manual TM 11-5965-286-14.  Operator's Organizational, Direct Support and General Support Maintenance Manual.  Head-Microphone Kit MK-1697/G (NSN 5965-00-313-8958)  This manual is dated January 22, 1974.  This manual ships for free with USPS Media Mail, and we will only ship to the lower 48 states.