NASA UFGS-26 54 00.00 40
NASA UFGS-26 54 0000 40 2007-JUL-01 CLASSFED SPECAL PURPOSE EXTEROR LGHTNG
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NOTE:
This specification covers the requirements for metal-halide, mercury-vapor, and high-pressure sodium lighting and lamps. Use of mercury vapor lamps should be avoided because of their high energy consumption.