6540-00-001-0740 LENS,OPHTHALMIC,COMPOUND Index 6540-00-001-0742 LENS,OPHTHALMIC,COMPOUND

National Stock Number:
6540-00-001-0741

Federal Supply Class:
6540

National Item Identification Number:
000010741

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:
M375M02592083HIS VISION INC
M375M258V333I F OPTICAL COMPANY INC DBA CHICAGO OPTICAL CO
MILL3682481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
DIAMETER71.0 MILLIMETERS MINIMUM
BASE CURVE DIOPTER5.75 PLUS NOMINAL
CROSS-SECTIONAL SHAPE STYLESPHEROCYLINDER COMPOUND
CYLINDER CURVE INSIDE DIOPTER0.25 MINUS MAXIMUM
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY DIAMETER
LIGHT TRANSMISSIONUNTINTED
MATERIAL AND LOCATIONPLASTIC SINGLE VISION
III PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND PLASTIC MINUS 3.75 ON MINUS 0.25
III SUPPLEMENTARY FEATURESUNCUT
NONDEFINITIVE SPEC/STD DATAB CLASS AND 4 STYLE
SPHERE CURVE INSIDE DIOPTER3.75 MINUS MAXIMUM
STYLE DESIGNATORROUND
THICKNESS1.6 MILLIMETERS NOMINAL


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