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National Stock Number:
1240-01-524-2149
Federal Supply Class:
1240
National Item Identification Number:
015242149
Description:
FILTER,LIGHT,INTERFERENCE
Detail:
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.
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Manufacturer Information:
| 37876-02 | 05464 | INDUSTRIAL ELECTRONIC ENGINEERS, INC. | | 7253096 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 7253096-1 | 05464 | INDUSTRIAL ELECTRONIC ENGINEERS, INC. | | 7253096-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| PART NAME ASSIGNED BY CONTROLLING AGENCY | FILTER, LIGHT, INTERFERENCE | | SPECIAL FEATURES | ALTERED FROM P/N 7265469-1 | | VIEWING SURFACE OVERALL LENGTH | 10.600 INCHES NOMINAL | | VIEWING SURFACE OVERALL WIDTH | 4.600 INCHES NOMINAL |
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