Color dark neutral
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 5935-00-157-1198
NSN 5855-01-530-4147
NSN 5930-01-100-7893
NSN 6645-01-592-0540
NSN 6650-01-455-4327
NSN 6610-01-023-1816
NSN 5990-01-631-1952
NSN 5930-01-536-6692
NSN 6110-01-224-6409
NSN 6320-01-611-4918
NSN 6150-01-269-7894
NSN 5905-00-597-3291