A light filter which reduces the intensity of the light without changing the relative spectral distribution of the energy.
NSN 6650-01-171-0779
NSN 5930-00-583-2705
NSN 5930-01-505-4683
NSN 5996-01-513-9656
NSN 5999-00-760-5392
NSN 5915-01-391-8810
NSN 5985-00-876-8576
NSN 6145-01-351-1935
NSN 4140-00-010-2986
NSN 6220-01-040-8134
NSN 6150-01-470-0210
NSN 6610-00-945-6782