6540-00-001-0619 LENS,OPHTHALMIC,COMPOUND Index 6540-00-001-0621 LENS,OPHTHALMIC,COMPOUND

National Stock Number:
6540-00-001-0620

Federal Supply Class:
6540

National Item Identification Number:
000010620

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
P5.50M3.25,10.50BC,71MM,CR-392T804ATLANTA/OLYMPIC OPTICAL CO
P550M32592083HIS VISION INC


Techincal Specification:
BASE CURVE DIOPTER10.50 PLUS NOMINAL
CROSS-SECTIONAL SHAPE STYLESPHEROCYLINDER COMPOUND
CYLINDER CURVE INSIDE DIOPTER3.25 MINUS MAXIMUM
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY DIAMETER
DIAMETER71.0 MILLIMETERS MINIMUM
LIGHT TRANSMISSIONUNTINTED
MATERIAL AND LOCATIONPLASTIC SINGLE VISION
NONDEFINITIVE SPEC/STD DATA3 STYLE AND B CLASS
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND PLASTIC PLUS 5.50 ON MINUS 3.25
SPHERE CURVE INSIDE DIOPTER5.50 PLUS MAXIMUM
STYLE DESIGNATORROUND
SUPPLEMENTARY FEATURESUNCUT
THICKNESS1.6 MILLIMETERS NOMINAL


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