Red color
An item having two plane-parallel surfaces and used in the telescopic system of an optical instrument to modify the density or spectral intensity of light by absorption. Several filters having varied characteristics are usually mounted in such a manner that any selected filter may be moved in or out of the optical axis as light conditions warrant. Excludes window, optical instrument.
Classification: Military equipments not identified by kind
NSN 6645-01-394-5149
NSN 6645-00-137-7699
NSN 5915-00-923-1351
NSN 5935-00-944-9888
NSN 7035-01-416-5910
NSN 6650-00-563-0798
NSN 4140-00-274-9638
NSN 6650-01-633-9147
NSN 6220-01-062-2077
NSN 6130-00-153-3136
NSN 5930-01-585-6757
NSN 5945-00-170-5885