Red filter
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 5835-00-247-0161
NSN 5855-00-323-0967
NSN 6620-00-982-6855
NSN 5920-00-548-5437
NSN 6650-01-660-1895
NSN 5965-01-196-7760
NSN 5935-00-760-7240
NSN 5855-01-278-8922
NSN 7035-01-229-0941
NSN 5925-01-411-5222
NSN 5960-00-529-2704
NSN 6240-01-329-2453