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National Stock Number:
6650-01-197-4585
Federal Supply Class:
6650
National Item Identification Number:
011974585
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:
| 10061441-101 | 0WEC9 | ELBITAMERICA, INC. | | 10061441-101 | 94580 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| OVERALL HEIGHT | 0.798 INCHES NOMINAL | | OVERALL LENGTH | 2.689 INCHES NOMINAL | | OVERALL THICKNESS | 0.094 INCHES NOMINAL | | MATERIAL | PLASTIC LOCATION NOT OTHERWISE SPECIFIED | | MATERIAL | PLASTIC SURFACE | | SURFACE PARALLELISM | 60.000 SECONDS |
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