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National Stock Number:
6650-01-039-3721
Federal Supply Class:
6650
National Item Identification Number:
010393721
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:
| 8044-213 | 63797 | SIGMA DYNAMICS CORP | | 8044-213-1 | 63797 | SIGMA DYNAMICS CORP |
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Techincal Specification:
| DIFFUSION PRODUCING SURFACE | BOTH | | FSC APPLICATION DATA | TELESCOPE,SIGHTING STATION,AIRCRAFT FIRE CONTROL | | LENGTH | 31.000 MILLIMETERS MINIMUM AND 31.400 MILLIMETERS MAXIMUM | | MATERIAL | GLASS | | POLISHED SURFACE | BOTH | | REFLECTION REDUCING SURFACE | BOTH | | WIDTH | 31.000 MILLIMETERS MINIMUM AND 31.400 MILLIMETERS MAXIMUM | | SURFACE FINISH | FROSTED | | THICKNESS | 3.000 MILLIMETERS MINIMUM AND 3.150 MILLIMETERS MAXIMUM |
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