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National Stock Number:
1240-00-171-4226
Federal Supply Class:
1240
National Item Identification Number:
001714226
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:
| 105609PC11 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| MATERIAL | GLASS | | REFRACTION INDEX | 1.5160 NOMINAL | | DISPERSION | 64.5 ANGSTROMS NOMINAL | | POLISHED SURFACE | BOTH | | REFLECTION REDUCING SURFACE | BOTH | | POLISHED PERIPHERY | NOT PROVIDED | | DIAMETER | 58.000 MILLIMETERS NOMINAL | | THICKNESS | 6.000 MILLIMETERS NOMINAL |
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