6650-00-382-1837 LENS,OPTICAL INSTRUMENT Index 1240-00-382-1839 FILTER,LIGHT,OPTICAL INSTRUMENT

National Stock Number:
1240-00-382-1838

Federal Supply Class:
1240

National Item Identification Number:
003821838

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:
300009210001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
300009214001GRAYCO OPTICAL CORP
LD172589PC5310001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
LD172589PC5353711NAVAL SEA SYSTEMS COMMAND
300009253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
DENSITY VARIABILITYNOT VARIABLE
OVERALL DIAMETER37.0 MILLIMETERS NOMINAL
OVERALL THICKNESS6.0 MILLIMETERS NOMINAL
MATERIALGLASS SURFACE
SURFACE PARALLELISM4.0 MINUTES


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