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National Stock Number:
6650-00-051-9911
Federal Supply Class:
6650
National Item Identification Number:
000519911
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:
| 5526-129 | 11871 | RECON/OPTICAL, INC. | | 5526-129 | 80294 | BOURNS INSTRUMENTS INC |
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Techincal Specification:
| BEVEL ANGLE IN DEG | 45.000 NOMINAL | | BEVEL DEPTH | 0.254 INCHES NOMINAL | | DIAMETER | 41.000 MILLIMETERS NOMINAL | | 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 | | REFLECTION REDUCING SURFACE | BOTH | | THICKNESS | 1.000 INCHES NOMINAL |
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