One clear and one yellow
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 6220-01-459-8017
NSN 5960-00-843-8063
NSN 6145-01-483-1292
NSN 5965-00-156-8562
NSN 5915-01-096-3137
NSN 5930-01-516-9637
NSN 6105-01-090-3831
NSN 5910-01-584-4216
NSN 5930-01-449-2817
NSN 5855-01-254-3041
NSN 6645-01-287-9969
NSN 6105-01-363-4810