5855-00-087-1555 SPACER,OPTICAL ELEMENT Index 5950-00-087-1562 CORE,ELECTROMAGNETIC COMPONENT

National Stock Number:
6650-00-087-1556

Federal Supply Class:
6650

National Item Identification Number:
000871556

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:
SC-C-61458480063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
ELEMENT LEFT SURFACE RADIUS7.630 INCHES
ELEMENT RIGHT SURFACE RADIUS3.300 INCHES
AXIAL THICKNESS0.499 INCHES MINIMUM AND 0.501 INCHES MAXIMUM
DIAMETER3.005 INCHES NOMINAL
EQUIVALENT FOCAL LENGTH1.350 INCHES
FSC APPLICATION DATAOPTICAL INSTR
MATERIAL DOCUMENT AND CLASSIFICATION7740, CORNING GLASS WORKS MFR REF SINGLE MATERIAL RESPONSE
MATERIALGLASS
SINGLE LENS STYLEMENISCUS CONVERGING
SPECIAL FEATURESOPTICAL ITEM EDGES COVERED WITH BLACKENING


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