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National Stock Number:
1240-00-990-8425
Federal Supply Class:
1240
National Item Identification Number:
009908425
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:
| 10514255 | 054J6 | DYNATEK-TECHNOLOGY INC | | 10514255 | 0ZW37 | DANKA OFFICE IMAGING COMPANY | | 10514255 | 14001 | GRAYCO OPTICAL CORP | | 10514255 | 19200 | US ARMY ARDEC RDECOM | | 10514255 | 27423 | ALUF INDUSTRIES INC | | 10514255 | 32153 | EASTMAN KODAK CO COMMERCIAL & GOVERNMENT SYSTEMS | | 10514255 | 34870 | FJW OPTICAL SYSTEMS, INC | | 1240009908425 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 1240009908425 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
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Techincal Specification:
| BEVEL ANGLE IN DEG | 30.000 NOMINAL | | BEVEL DEPTH | 0.122 INCHES NOMINAL | | CRITICALITY CODE JUSTIFICATION | FEAT | | DIFFUSION PRODUCING SURFACE | BOTH | | FSC APPLICATION DATA | PERISCOPE | | LENGTH | 3.346 INCHES NOMINAL | | MATERIAL | GLASS | | POLISHED PERIPHERY | PROVIDED | | POLISHED SURFACE | BOTH | | REFLECTION REDUCING SURFACE | BOTH | | SPECIAL FEATURES | LIGHT DEVIATION IN ANY MERIDIAN NOT TO EXCEED 2 MIN OF ARC AND SURFACE QUALITY 80-50 | | WIDTH | 9.827 INCHES NOMINAL | | THICKNESS | 0.251 INCHES NOMINAL |
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