Light neutral 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 6650-01-281-4651
NSN 5965-01-136-1553
NSN 6150-01-236-6822
NSN 5990-00-519-9974
NSN 6145-01-203-6583
NSN 6620-01-558-6558
NSN 6620-00-951-0153
NSN 7035-00-938-1505
NSN 6645-01-360-0293
NSN 6135-00-932-3136
NSN 5985-00-468-7361
NSN 6145-00-170-7947