National Item Identification Number

01-438-1537
014381537
6650-01-438-1537
6650014381537

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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96721

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OBRYAN GLASS CORPORATION
DBA GRAYGLASS
21744 98TH AVE
QUEENS VILLAGE
NY
11429
718-217-2943

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72314

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Reference Numbers (Part Numbers)

NG9-.748
1340PD5002

Required Categories

Required Description