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National Stock Number:
6650-01-570-9580
Federal Supply Class:
6650
National Item Identification Number:
015709580
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:
| 6386587-2 | 4U884 | RAYTHEON COMPANY |
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Techincal Specification:
| DIAMETER | 0.787 INCHES MINIMUM AND 0.792 INCHES MAXIMUM | | III MATERIAL | GLASS | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | BEAM STOP | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL THICKNESS | 0.080 INCHES NOMINAL | | SPECIAL FEATURES | FLAT ROUND WITH AN OFFSET HOLE DIA MIN,SCHOTT FILTER GLASS TYPE KG-3 OR EQUIVALENT |
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