6650-01-070-3255 LENS,OPTICAL INSTRUMENT Index 6650-01-070-3257 LENS,OPTICAL INSTRUMENT

National Stock Number:
6650-01-070-3256

Federal Supply Class:
6650

National Item Identification Number:
010703256

Description:
LENS,OPTICAL INSTRUMENT

Detail:
An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see WINDOW, OPTICAL INSTRUMENT. Excludes RETICLE, OPTICAL INSTRUMENT.


Manufacturer Information:
1178007019200US ARMY ARDEC RDECOM
42465-109344ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS


Techincal Specification:
ABBE CONSTANT27.600
AXIAL THICKNESS0.150 INCHES NOMINAL
DIAMETER3.910 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174, CLASS 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALGLASS OPTICAL
REFRACTION INDEX1.7550 NOMINAL
SINGLE LENS STYLEPLANO-CONCAVE
SPECIAL FEATURESEDGES BLACKENED WITH LACQUER;MAGNESIUM FLOURIDE COATING
WIDTH0.448 INCHES NOMINAL


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