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National Stock Number:
6650-01-213-0561
Federal Supply Class:
6650
National Item Identification Number:
012130561
Description:
WINDOW,OPTICAL INSTRUMENT
Detail:
A COLOR FREE ITEM OF TRANSPARENT OR TRANSLUCENT MATERIAL, USUALLY OPTICAL GLASS, HAVING SPECIFIC LIGHT DISPERSIVE AND REFRACTIVE PROPERTIES. THIS ITEM MUST HAVE TWO PLANE-PARALLEL SURFACES AND IS DESIGNED FOR USE IN AN OPTICAL INSTRUMENT TO PROVIDE A BARRIER TO FOREIGN MATTER AND/OR PERMIT LIGHT TRANSMISSION IN OR TO THE OPTICAL SYSTEM.
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Manufacturer Information:
| 13218312 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 13218312 | 27777 | L3 TECHNOLOGIES, INC. | | 13218312 | 4K245 | U S SMALL BUSINESS ADMINISTRATION |
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Techincal Specification:
| DIAMETER | 4.373 INCHES MINIMUM AND 4.377 INCHES MAXIMUM | | III MATERIAL | GLASS, OPTICAL, MIL-G-174, GRADE C, TYPE 523-586 | | POLISHED PERIPHERY | PROVIDED | | PROPRIETARY CHARACTERISTICS | PACS | | WIDTH | 0.250 INCHES NOMINAL |
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