Color red
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 5960-01-254-3541
NSN 5910-01-436-9718
NSN 5945-01-508-7882
NSN 6645-01-345-6828
NSN 5999-01-544-1975
NSN 5950-01-605-1386
NSN 4140-01-179-4507
NSN 5960-01-148-5859
NSN 2925-01-591-4030
NSN 6650-01-326-6380
NSN 2925-01-199-7394
NSN 4140-01-418-6304