National Item Identification Number
01-058-0048
010580048
6650-01-058-0048
6650010580048
National Stock Number
Item Name
FILTER,LIGHT,INTERFERENCE
Federal Supply Class
6650
Description
A light transmitting item consisting of a transparent, flat glass body having two plane-parallel surfaces, either with only nonabsorbing dielectric coatings or absorbing and nonabsorbing coatings of a thickness nearly equivalent to the wavelength of the transmitted light. Interference begins at the thin bordering surfaces of the coatings, the penetrating light waves being superimposed on the reflected light waves. The item can be installed in various optical insturments, to serve as an eye protecting device.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
7361254-2
Required Categories
DIAMETER
THICKNESS
SPECIAL FEATURES
III END ITEM IDENTIFICATION
THE MANUFACT
Required Description
1.200 INCHES MINIMUM AND
1.210 INCHES MAXIMUM
0.216 INCHES MINIMUM AND
0.256