Red 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 6105-01-154-2720
NSN 5925-00-565-3919
NSN 6150-01-523-2398
NSN 5910-01-648-2045
NSN 6130-01-410-8529
NSN 6320-00-646-3311
NSN 6130-00-795-4792
NSN 5925-01-372-9519
NSN 6150-00-493-7794
NSN 5996-00-270-0340
NSN 5925-01-542-9068
NSN 5925-01-422-3664