9340-00-330-0107 WINDOW,OBSERVATION Index 4810-00-330-0111 VALVE,SAFETY RELIEF

National Stock Number:
6650-00-330-0108

Federal Supply Class:
6650

National Item Identification Number:
003300108

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:
531636419200US ARMY ARDEC RDECOM


Techincal Specification:
DENSITY VARIABILITYNOT VARIABLE
OVERALL DIAMETER0.874 INCHES MAXIMUM
OVERALL THICKNESS0.087 INCHES NOMINAL
MATERIALGLASS SURFACE
SURFACE PARALLELISM2.0 MINUTES


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