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National Stock Number:
6650-00-556-8054
Federal Supply Class:
6650
National Item Identification Number:
005568054
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:
| P1475-12 | 03956 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | P1475-12 | 34228 | L3 TECHNOLOGIES, INC. |
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Techincal Specification:
| BEVEL ANGLE IN DEG | 45.000 NOMINAL | | BEVEL DEPTH | 4.000 MILLIMETERS NOMINAL | | DIAMETER | 85.00 MILLIMETERS NOMINAL | | DISPERSION | 58.0 ANGSTROMS NOMINAL | | FSC APPLICATION DATA | PERISCOPE | | MATERIAL | GLASS LOCATION NOT OTHERWISE SPECIFIED | | POLISHED PERIPHERY | NOT PROVIDED | | POLISHED SURFACE | BOTH | | REFLECTION REDUCING SURFACE | BOTH | | REFRACTION INDEX | 1.5234 NOMINAL | | SURFACE FINISH | POLISHED | | THICKNESS | 10.00 MILLIMETERS NOMINAL |
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