Red 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 6620-01-515-2790
NSN 5910-01-352-9842
NSN 7035-01-563-1646
NSN 6135-01-136-1059
NSN 6220-01-488-9416
NSN 5895-01-201-2489
NSN 5985-00-711-9508
NSN 5985-01-608-9978
NSN 6685-00-480-1711
NSN 5855-01-289-0070
NSN 6685-00-242-6722
NSN 5990-01-160-6978