1240-00-025-0179 FILTER,LIGHT,OPTICAL INSTRUMENT Index 1240-00-025-0181 FILTER,LIGHT,OPTICAL INSTRUMENT

National Stock Number:
1240-00-025-0180

Federal Supply Class:
1240

National Item Identification Number:
000250180

Description:
FILTER,LIGHT,OPTICAL INSTRUMENT

Detail:
AN ITEM HAVING TWO PLANE-PARALLEL SURFACES AND CONSISTING OF A POLARIZING MATERIAL BONDED BETWEEN GLASS OR PLASTIC. THIS ITEM TRANSMITS LIGHT IN ONLY ONE PLANE AND IS USUALLY USED IN PAIRS TO VARY THE LIGHT TRANSMITTED INTO OR THROUGH AN OPTICAL INSTRUMENT. EXCLUDES WINDOW, OPTICAL INSTRUMENT.


Manufacturer Information:
216099PC1010001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
216099PC1014001GRAYCO OPTICAL CORP


Techincal Specification:
DENSITY VARIABILITYNOT VARIABLE
SURFACE MATERIALGLASS
SURFACE PARALLELISM3.0 MINUTES
OVERALL DIAMETER45.0 MILLIMETERS NOMINAL
OVERALL THICKNESS1.9 MILLIMETERS NOMINAL
VIEWING SURFACE OVERALL DIAMETER43.3 MILLIMETERS NOMINAL


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