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National Stock Number:
6650-01-231-9545
Federal Supply Class:
6650
National Item Identification Number:
012319545
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.
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Manufacturer Information:
| 509-201076-1 | 19133 | MCDONNELL DOUGLAS CORP MCDONNELL DOUGLAS AEROSPACE OPNS WEST | | 509-201076-1 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| DENSITY VARIABILITY | VARIABLE | | OVERALL DIAMETER | 1.720 INCHES NOMINAL | | OVERALL THICKNESS | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM | | SPECIAL FEATURES | TRANSMITTANCE AT 550 NONOMETERS WITH 0 DEG INCIDENT LIGHT SHALL BE 12 PCT TO 13.2 PCT; TRANSMITTANCE OVER WAVE LENGTH RANGE 400-700 NANOMETERS 11-14 PCT. NICKEL ALLOY. | | WIDTH | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
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