A light filter which reduces the intensity of the light without changing the relative spectral distribution of the energy.
NSN 5895-00-291-4873
NSN 6610-01-461-8180
NSN 5945-00-170-5885
NSN 7035-00-562-9881
NSN 6620-00-262-3113
NSN 5935-01-423-1520
NSN 5950-00-753-9451
NSN 5925-01-209-0639
NSN 6620-01-369-5876
NSN 6610-01-303-4272
NSN 5996-01-254-2510
NSN 5855-01-027-1571