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National Stock Number:
1240-00-926-2931
Federal Supply Class:
1240
National Item Identification Number:
009262931
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:
| MAG393-2 | 99251 | MISSION SYSTEMS DAVENPORT INC. |
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Techincal Specification:
| BEVEL ANGLE IN DEG | 45.000 NOMINAL | | BEVEL DEPTH | 0.005 INCHES NOMINAL | | DIAMETER | 2.841 INCHES MINIMUM AND 2.846 INCHES MAXIMUM | | FSC APPLICATION DATA | TEST SET,ELECTRONIC SYSTEMS,SPECIALLY DESIGNED,ACFT | | MATERIAL DOCUMENT AND CLASSIFICATION | DD-G-451, TYPE 2, AA QUALITY FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED | | MATERIAL | GLASS SHEET LOCATION NOT OTHERWISE SPECIFIED | | POLISHED PERIPHERY | NOT PROVIDED | | POLISHED SURFACE | BOTH | | SURFACE FINISH | GROUND | | THICKNESS | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
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