Color red
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 6145-01-104-5084
NSN 6130-01-578-6294
NSN 5990-00-812-6491
NSN 5855-00-014-5008
NSN 5895-01-004-0650
NSN 5996-01-301-6498
NSN 5985-01-500-6737
NSN 5965-01-420-6613
NSN 6145-00-545-7215
NSN 5965-01-097-2027
NSN 5920-01-010-7101
NSN 5975-01-217-8545