Color yellow
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 5965-01-549-8330
NSN 5998-01-296-9560
NSN 6130-01-180-0329
NSN 5920-01-401-5315
NSN 5915-01-546-2142
NSN 2925-00-167-6762
NSN 5920-01-495-1268
NSN 5920-01-345-9362
NSN 6150-01-183-9334
NSN 5965-01-275-5472
NSN 5925-00-684-6468
NSN 6130-01-363-5300