6540-00-001-0820 LENS,OPHTHALMIC,COMPOUND Index 6540-00-001-0822 LENS,OPHTHALMIC,COMPOUND

National Stock Number:
6540-00-001-0821

Federal Supply Class:
6540

National Item Identification Number:
000010821

Description:
LENS,OPHTHALMIC,COMPOUND

Detail:
A TRANSPARENT OPTICAL ELEMENT HAVING A SPHERICAL CURVE AND A CYLINDRICAL CURVE USED TO CORRECT VISION DEFECTS OF THE EYE.


Manufacturer Information:
M7.75 M0.750PML0ESSILOR OF AMERICA INC SILOR OPTICAL DIV
M775M075,CR-39,0.5BC,71MMDIA3N062DISPENSERS OPTICAL SERVICE CORP


Techincal Specification:
DIAMETER71.0 MILLIMETERS MINIMUM
BASE CURVE DIOPTER0.50 PLUS NOMINAL
CROSS-SECTIONAL SHAPE STYLESPHEROCYLINDER COMPOUND
CYLINDER CURVE INSIDE DIOPTER0.75 MINUS NOMINAL
LIGHT TRANSMISSIONUNTINTED
MATERIAL AND LOCATIONPLASTIC SINGLE VISION
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND PLASTIC MINUS 7.75 ON MINUS 0.75
SPHERE CURVE INSIDE DIOPTER7.75 MINUS NOMINAL
STYLE DESIGNATORROUND
SUPPLEMENTARY FEATURESUNCUT
THICKNESS1.6 MILLIMETERS NOMINAL


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