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


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