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National Stock Number:
6650-01-445-8790
Federal Supply Class:
6650
National Item Identification Number:
014458790
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:
| 71-01588 | 07700 | TECHNICAL WIRE PRODUCTS LLC DBA TWP | | L317 000 184 | 36090 | LOCKHEED MARTIN LIBRASCOPE CORP |
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Techincal Specification:
| LENGTH | 3.800 INCHES NOMINAL | | MATERIAL | PLASTIC AND STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED | | POLISHED PERIPHERY | NOT PROVIDED | | SPECIAL FEATURES | LIGHT TRANS.- 50 PCT AT 643 NANOMETERS; EMI SHIELDED, ATTENUATION- 60DB MIN. UP TO 10 HMZ. | | THICKNESS | 0.130 INCHES MAXIMUM | | WIDTH | 1.330 INCHES NOMINAL |
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