Color 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 5990-01-319-5667
NSN 5920-01-562-1305
NSN 6145-00-150-5049
NSN 5930-00-167-4520
NSN 5910-00-398-0930
NSN 7035-01-271-1643
NSN 6145-00-313-9429
NSN 5975-00-153-0050
NSN 6650-01-622-5092
NSN 5925-01-196-9282
NSN 5905-01-229-7520
NSN 6610-00-050-8873