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 6620-00-078-1040
NSN 5950-01-152-2622
NSN 6685-01-592-3247
NSN 5910-01-158-5310
NSN 7035-00-535-8109
NSN 6220-01-462-2613
NSN 5920-01-550-3388
NSN 5910-01-468-5147
NSN 6220-00-349-6064
NSN 5945-01-437-1493
NSN 5935-00-762-2635
NSN 5965-00-238-3721