Next higher assembly night vision
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 6620-00-572-8787
NSN 6610-01-487-8879
NSN 5998-01-027-1564
NSN 6135-00-078-9931
NSN 5965-01-286-4341
NSN 6110-01-417-3261
NSN 2925-01-315-1714
NSN 6220-01-196-8087
NSN 5905-01-323-7065
NSN 6150-00-679-9203
NSN 5905-01-212-5660
NSN 5915-01-448-8949