6650-00-393-0126 WINDOW,OPTICAL INSTRUMENT Index 6650-00-393-0129 WINDOW,OPTICAL INSTRUMENT

National Stock Number:
6650-00-393-0128

Federal Supply Class:
6650

National Item Identification Number:
003930128

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:
2409-1009176PCP2176-580064NAVAL SHIP SYSTEMS COMMAND
2409-1009309REVAPCP2176-580064NAVAL SHIP SYSTEMS COMMAND
P2176-534228L3 TECHNOLOGIES, INC.
P2309REVAPC2176-534228L3 TECHNOLOGIES, INC.


Techincal Specification:
DENSITY VARIABILITYNOT VARIABLE
DIAMETER2.7652 INCHES NOMINAL
MATERIALGLASS SURFACE
WHITE LIGHT TRANSMISSION IN PERCENT28.0 SINGLE FILTER AND 15.0 PAIR OF FILTERS WITH PARALLEL AXES AND 0.1 PAIR OF FILTERS WITH CROSSED AXES
SURFACE PARALLELISM15.0 SECONDS
THICKNESS0.1181 INCHES NOMINAL


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