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National Stock Number:
6650-01-321-2905
Federal Supply Class:
6650
National Item Identification Number:
013212905
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:
| A3140640 | 27777 | L3 TECHNOLOGIES, INC. | | A3140640 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | | MX-11391/PVS-7 | 80058 | JOINT ELECTRONICS TYPE DESIGNATION SYSTEM | | MX-11391/PVS-7A | 80058 | JOINT ELECTRONICS TYPE DESIGNATION SYSTEM |
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Techincal Specification:
| EYEPIECE TYPE FOR WHICH DESIGNED | BINOCULAR | | OVERALL DIAMETER | 1.312 INCHES NOMINAL | | OVERALL LENGTH | 0.250 INCHES NOMINAL | | PURCHASE DESCRIPTION IDENTIFICATION | 21205-A3140640 | | SPECIFIC USE | PROTECT LENS | | STYLE DESIGNATOR | FLAT |
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