Color clear
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 5925-01-431-8886
NSN 5925-00-179-4626
NSN 6620-01-606-4067
NSN 5835-01-441-4746
NSN 5975-01-206-3526
NSN 6320-01-314-8017
NSN 6145-00-009-9324
NSN 6240-01-160-8499
NSN 5935-00-231-5113
NSN 5925-00-446-2464
NSN 5950-01-284-6746
NSN 5975-00-286-8506