A light filter which reduces the intensity of the light without changing the relative spectral distribution of the energy.
NSN 5920-00-752-3081
NSN 5965-01-148-3396
NSN 6130-01-068-4002
NSN 6320-01-317-7312
NSN 6150-01-426-7430
NSN 5950-01-275-2028
NSN 6620-01-464-3087
NSN 6620-01-601-7491
NSN 5960-01-383-6262
NSN 6610-01-632-3364
NSN 5855-00-308-0474
NSN 6240-01-619-2122