Dark neutral filter
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 5835-01-576-9013
NSN 5855-00-256-5562
NSN 5950-00-766-4821
NSN 5835-01-412-0344
NSN 5950-00-965-6992
NSN 6150-00-933-6703
NSN 5960-00-153-7115
NSN 5945-01-122-0914
NSN 5935-00-584-4584
NSN 6620-01-034-4539
NSN 5945-01-434-3263
NSN 6130-01-571-6530