6540-00-001-0636 LENS,OPHTHALMIC,COMPOUND Index 6540-00-001-0638 LENS,OPHTHALMIC,COMPOUND

National Stock Number:
6540-00-001-0637

Federal Supply Class:
6540

National Item Identification Number:
000010637

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:
MILL3682481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
P1.75M3.50,7.25BC,71MM,CR-392T804ATLANTA/OLYMPIC OPTICAL CO
P175M3503N062DISPENSERS OPTICAL SERVICE CORP


Techincal Specification:
DIAMETER71.0 MILLIMETERS MINIMUM
BASE CURVE DIOPTER6.50 PLUS NOMINAL
CROSS-SECTIONAL SHAPE STYLESPHEROCYLINDER COMPOUND
CYLINDER CURVE INSIDE DIOPTER3.50 MINUS MAXIMUM
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY DIAMETER
LIGHT TRANSMISSIONUNTINTED
MATERIAL AND LOCATIONPLASTIC SINGLE VISION
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND PLASTIC PLUS 1.75 ON MINUS 3.50
NONDEFINITIVE SPEC/STD DATA3 STYLE AND B CLASS
SPHERE CURVE INSIDE DIOPTER1.75 PLUS MAXIMUM
STYLE DESIGNATORROUND
SUPPLEMENTARY FEATURESUNCUT
THICKNESS1.6 MILLIMETERS NOMINAL


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