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 6650-01-298-4138
NSN 6135-01-134-7222
NSN 5855-01-184-8089
NSN 5915-01-044-5260
NSN 7035-01-421-7159
NSN 5985-00-401-2216
NSN 5915-01-113-6834
NSN 6610-01-543-3753
NSN 6145-00-311-8884
NSN 5930-01-145-9045
NSN 6145-01-526-1651
NSN 5990-00-950-6146