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National Stock Number:
1240-00-990-8983
Federal Supply Class:
1240
National Item Identification Number:
009908983
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:
| 1240009908983 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 1240009908983 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 8619869 | 19200 | US ARMY ARDEC RDECOM | | 8619869 | 22255 | PLX INC. | | 8619869 | A9271 | GORIZIANE GROUP SPA |
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Techincal Specification:
| BEVEL ANGLE IN DEG | 42.000 NOMINAL AND 48.000 NOMINAL | | BEVEL DEPTH | 0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM | | LENGTH | 9.734 INCHES MINIMUM AND 9.750 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C, TYPE 517-645 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | POLISHED PERIPHERY | NOT PROVIDED | | POLISHED SURFACE | BOTH | | REFLECTION REDUCING SURFACE | BOTH | | WIDTH | 3.984 INCHES MINIMUM AND 4.000 INCHES MAXIMUM | | THICKNESS | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
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