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National Stock Number:
1240-01-063-1405
Federal Supply Class:
1240
National Item Identification Number:
010631405
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:
| SM-D-805667-2 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| LENGTH | 1.390 INCHES NOMINAL | | MATERIAL | GLASS OPTICAL | | POLISHED PERIPHERY | NOT PROVIDED | | POLISHED SURFACE | BOTH | | SPECIAL FEATURES | PROTECTIVE CHAMFERED CORNERS 0.030 X 45 DEG; THE MATERIAL USED IN THE MANUFACTURE OF THIS PART SHALL NOT CONTAIN THORIUM,OTHER RADIOACTIVE MATERIALS OR ANY COMBINATION OF NUCLEAR MATERIALS IN EXCESS OF 0.050 PERCENT BY WEIGHT | | WIDTH | 1.390 INCHES NOMINAL | | SURFACE FINISH | POLISHED | | THICKNESS | 0.118 INCHES NOMINAL |
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