6650-00-336-4839 LENS,OPTICAL INSTRUMENT Index 1240-00-336-4845 WINDOW,CROSS LINE

National Stock Number:
1240-00-336-4842

Federal Supply Class:
1240

National Item Identification Number:
003364842

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.


Manufacturer Information:
152121PC110001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
FSC APPLICATION DATATELESCOPIC SIGHT
LENGTH123.000 MILLIMETERS NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONJAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
MATERIALGLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED
POLISHED PERIPHERYNOT PROVIDED
POLISHED SURFACEBOTH
REFRACTION INDEX1.5230 NOMINAL
WIDTH48.000 MILLIMETERS NOMINAL
THICKNESS9.500 MILLIMETERS NOMINAL


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