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		                        | National Stock Number:
 1240-00-675-0478
 
 Federal Supply Class:
 1240
 
 National Item Identification Number:
 006750478
 
 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:
 
 | 1240006750478 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE |  | 1240006750478 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |  | 8574985 | 06982 | HOWARD J. MOORE CO, INC |  | 8574985 | 19200 | US ARMY ARDEC RDECOM | 
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 Techincal Specification:
 
 | DIAMETER | 0.563 INCHES NOMINAL |  | MATERIAL | PLASTIC METHYL METHACRYLATE LOCATION NOT OTHERWISE SPECIFIED |  | POLISHED PERIPHERY | PROVIDED |  | THICKNESS | 0.359 INCHES NOMINAL |  | WIDTH | 0.500 INCHES NOMINAL | 
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