National Item Identification Number
01-172-2868
011722868
6650-01-172-2868
6650011722868
National Stock Number
Item Name
FILTER,LIGHT,TELESCOPIC INSTRUMENT
Federal Supply Class
6650
Description
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.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
11014242
Required Categories
DENSITY VARIABILITY
SURFACE MATERIAL
WHITE LIGHT TRANSMISSION IN PERCENT
OVER
Required Description
NOT VARIABLE
PLASTIC, MIL-P-5425
27.1 SINGLE FILTER
3.250 INCHES NOMINAL
3.0