A light filter which reduces the intensity of the light without changing the relative spectral distribution of the energy.
NSN 6220-00-827-0227
NSN 5975-00-740-2708
NSN 5990-01-124-2126
NSN 5950-00-866-4929
NSN 5950-00-462-0395
NSN 6620-01-535-6925
NSN 5999-01-191-7300
NSN 5915-00-856-3950
NSN 5960-01-386-5770
NSN 6685-00-506-0090
NSN 6135-01-026-9960
NSN 5915-01-231-9174