6135-00-120-1011 (BA40)
NSN 6135-00-120-1011 (NIIN 00-120-1011) is a nonrechargeable battery in Federal Supply Class 6135, Batteries, Nonrechargeable — a battery, composed of two or more cells forming a single unit, which is not rechargeable and whose electrolyte generally is not in fluid form. Manufacturer part number BA40 (Joint Army-Navy Specifications, CAGE 81350); also referenced as MIL-B-18/18, MILB18 (Military Specifications).
Key specs: 1.5 and 90 voltage in volts; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8506.90.0000.