February 1966 TM 11-5965-262-13 Organizational and DS Maintenance Manual Including Repair Parts and Special Tools List Headset Microphone H-161/U & H-161A/U Manual. Condition is used with wear as pictured. approx 30 pages, 3 hole punch, this is a reprint that includes changes 1 and 2. Good condition, covers show some wear, pages clean and tight.