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National Stock Number:
1240-00-171-4174
Federal Supply Class:
1240
National Item Identification Number:
001714174
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:
| 230934PC5 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 3000053 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| DIAMETER | 9.000 MILLIMETERS NOMINAL | | FSC APPLICATION DATA | TELESCOPE MK 69 MOD 0 | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-16592, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED | | MATERIAL | GLASS LOCATION NOT OTHERWISE SPECIFIED | | POLISHED PERIPHERY | NOT PROVIDED | | POLISHED SURFACE | BOTH | | REFRACTION INDEX | 9.5230 NOMINAL | | THICKNESS | 1.500 MILLIMETERS NOMINAL |
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