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 5920-01-032-6471
NSN 5950-01-051-4741
NSN 6110-01-139-4646
NSN 5925-00-286-8502
NSN 5950-00-132-6900
NSN 6645-01-386-6311
NSN 6650-01-090-2059
NSN 5935-00-418-6469
NSN 6110-01-412-4636
NSN 5965-01-424-1096
NSN 5905-00-894-0410
NSN 5910-01-285-4358