National Item Identification Number

01-392-4163
013924163
6650-01-392-4163
6650013924163

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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23673

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BELFORT INSTRUMENT COMPANY
DBA GAMMA SCIENTIFIC
8581 AERO DRIVE
SAN DIEGO
CA
92123
858-279-8034

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Reference Numbers (Part Numbers)

14514

Required Categories

MATERIAL
SPECIFIC USE
OVERALL THICKNESS
DIAMETER
SPECIAL FEATURES
III END I

Required Description

GLASS
ABSORPTION
0.188 INCHES NOMINAL
1.969 INCHES NOMINAL
TEMPERED GLASS;TY