6540-00-001-0641 LENS,OPHTHALMIC,COMPOUND Index 6540-00-001-0643 LENS,OPHTHALMIC,COMPOUND

National Stock Number:
6540-00-001-0642

Federal Supply Class:
6540

National Item Identification Number:
000010642

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
P3.00M3.50,8.50BC,71MM,CR-392T804ATLANTA/OLYMPIC OPTICAL CO
P3.00M3.50,8.50BC,71MM,CR-3992083HIS VISION INC


Techincal Specification:
BASE CURVE DIOPTER3.00 PLUS NOMINAL
CROSS CURVE DIOPTER3.50 MINUS NOMINAL
CROSS-SECTIONAL SHAPE STYLESPHEROCYLINDER COMPOUND
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY DIAMETER
DIAMETER62.0 MILLIMETERS MINIMUM
LIGHT TRANSMISSIONUNTINTED
MATERIALPLASTIC SINGLE VISION
NONDEFINITIVE SPEC/STD DATA3 STYLE AND B CLASS
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND PLASTIC PLUS 3.00 ON MINUS 3.50
STYLE DESIGNATORROUND
SUPPLEMENTARY FEATURESUNCUT
THICKNESS1.6 MILLIMETERS NOMINAL


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