National Item Identification Number

01-357-0642
013570642
6650-01-357-0642
6650013570642

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)

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61537

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POLAROID CORP
POLARIZER DIV
201 BURLINGTON RD
BEDFORD
MA
01730
781-386-5343

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Reference Numbers (Part Numbers)

610382 CP

Required Categories

MATERIAL
SPECIFIC USE

Required Description

GLASS
REDUCING GLARE