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 6135-00-935-8769
NSN 5910-01-383-4894
NSN 6220-00-192-8948
NSN 5945-01-364-1950
NSN 5945-01-473-1821
NSN 6240-01-389-0552
NSN 6610-01-224-7247
NSN 2925-00-278-9468
NSN 5996-01-378-6438
NSN 6320-01-416-7993
NSN 2925-01-016-3111
NSN 6105-01-591-6134