Color light 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 6320-01-260-4301
NSN 5998-01-518-9058
NSN 5950-00-038-6298
NSN 6620-01-231-9731
NSN 5950-01-265-3081
NSN 6110-00-058-6732
NSN 5965-01-573-2653
NSN 5930-01-463-2526
NSN 6685-00-144-0979
NSN 5996-00-891-4036
NSN 6110-00-732-7459
NSN 5910-01-018-6178