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National Stock Number:
1240-01-430-0379
Federal Supply Class:
1240
National Item Identification Number:
014300379
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:
| 10555714 | 56161 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION | | 12370302 | 02077 | MILLER-HOLZWARTH INC. | | 12370302 | 0BK64 | OPTEX SYSTEMS, INC |
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Techincal Specification:
| LENGTH | 7.060 INCHES MINIMUM AND 7.120 INCHES MAXIMUM | | MATERIAL | STEEL AND GLASS LOCATION NOT OTHERWISE SPECIFIED | | POLISHED PERIPHERY | NOT PROVIDED | | WIDTH | 3.930 INCHES MINIMUM AND 3.990 INCHES MAXIMUM | | SURFACE FINISH | POLISHED | | THICKNESS | 3.500 INCHES MINIMUM AND 3.560 INCHES MAXIMUM |
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