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 6620-01-131-1471
NSN 6240-00-869-5079
NSN 6110-00-431-4388
NSN 6105-01-634-0322
NSN 5990-00-655-3065
NSN 6320-00-857-4073
NSN 5999-01-505-6096
NSN 5925-01-456-0763
NSN 6650-00-524-0168
NSN 6685-01-642-2554
NSN 5975-00-469-4580
NSN 5925-01-522-3360