Color dark neutral
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 5855-01-279-9938
NSN 6150-01-432-1020
NSN 5905-01-414-6423
NSN 5945-00-523-9178
NSN 5945-00-142-0005
NSN 6685-01-523-8917
NSN 6685-01-097-2171
NSN 7035-01-594-9198
NSN 6130-01-477-1884
NSN 5895-00-165-6598
NSN 5999-00-929-7303
NSN 7035-00-870-0290