6650-01-155-3285 LENS,OPTICAL INSTRUMENT Index 6650-01-155-3288 RING,RETAINING,OPTICAL ELEMENT

National Stock Number:
6650-01-155-3287

Federal Supply Class:
6650

National Item Identification Number:
011553287

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:
1314421418876U S ARMY AVIATION AND MISSILE COMMAND
1314421464281J M L OPTICAL INDUSTRIES, INC.


Techincal Specification:
ELEMENT RIGHT SURFACE RADIUS18.303 INCHES
ELEMENT LEFT SURFACE RADIUS11.608 INCHES
AXIAL THICKNESS0.565 INCHES NOMINAL
DIAMETER8.375 INCHES NOMINAL
MATERIALGERMANIUM
SINGLE LENS STYLEMENISCUS CONVERGING


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