MIL-DTL-16377-11 Fixtures, Lighting; Fluorescent And Ssl Equivalent, General Lighting, 40 Watts, 120 Volts, 60 Hertz, Watertight, Symbols 77.4, 77.5, 344.2, 344.3, 77.4Ssl, 77.5Ssl, 344.2Ssl, And 344.3Ssl