5360-01-259-8450 SPRING,HELICAL,COMPRESSION Index 6650-01-259-8452 LENS,OPTICAL INSTRUMENT

National Stock Number:
6650-01-259-8451

Federal Supply Class:
6650

National Item Identification Number:
012598451

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:
2439517-13B150RAYTHEON COMPANY
2439517-154X10RAYTHEON COMPANY
2439517-196214RAYTHEON COMPANY


Techincal Specification:
ELEMENT LEFT SURFACE RADIUS3.6766 INCHES
ELEMENT RIGHT SURFACE RADIUS4.040 INCHES
AXIAL THICKNESS0.146 INCHES MINIMUM AND 0.154 INCHES MAXIMUM
DIAMETER1.399 INCHES MINIMUM AND 1.401 INCHES MAXIMUM
FSC APPLICATION DATACOMBAT TALON II
MATERIALGERMANIUM
SINGLE LENS STYLEMENISCUS
SPECIAL FEATURESMLAR 306 COATING
SUPPLEMENTARY FEATURESLENS NO 2,WIDE FIELD OF VIEW


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