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National Stock Number:
1240-01-218-7328
Federal Supply Class:
1240
National Item Identification Number:
012187328
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:
| 1240012187328 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 9376977 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| MATERIAL | GERMANIUM | | POLISHED SURFACE | BOTH | | POLISHED PERIPHERY | NOT PROVIDED | | WIDTH | 6.805 INCHES NOMINAL | | LENGTH | 7.290 INCHES NOMINAL | | THICKNESS | 0.510 INCHES NOMINAL | | BEVEL ANGLE IN DEG | 44.500 NOMINAL | | CUBIC MEASURE | 25.300 CUBIC INCHES | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 19200 | | DESIGN CONTROL REFERENCE | 9376977 |
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