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 6145-01-584-9541
NSN 6685-01-369-2064
NSN 6620-01-442-8444
NSN 5945-01-206-5695
NSN 5998-01-073-9126
NSN 5998-01-168-4843
NSN 6145-00-150-5049
NSN 6150-01-417-2643
NSN 5920-01-575-9204
NSN 6650-01-540-4402
NSN 5960-01-476-3239
NSN 5945-01-245-8473