MIL MIL-DTL-16377/8C

MIL MIL-DTL-16377/8C Fixtures, Lighting; Fluorescent and SSL Equivalent, General Lighting, 20 Watts, 120 Volts, 60 Hertz, Watertight, Symbols 331.1, 331.2, 347.2, 347.3, 331.1SSL, 331.2SSL, 347.2SSL, and 347.3SSL

standard by Military Specifications and Standards, 06/30/2014