6540-00-001-0637 LENS,OPHTHALMIC,COMPOUND Index 6540-00-001-0639 LENS,OPHTHALMIC,COMPOUND

National Stock Number:
6540-00-001-0638

Federal Supply Class:
6540

National Item Identification Number:
000010638

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
P2.00M3.50,7.25BC,71MM,CR-390A0U8PRECISION OPTICS
P200M3503N062DISPENSERS OPTICAL SERVICE CORP


Techincal Specification:
LIGHT TRANSMISSIONUNTINTED
STYLE DESIGNATORROUND
MATERIAL AND LOCATIONPLASTIC SINGLE VISION
DIAMETER71.0 MILLIMETERS MINIMUM
THICKNESS1.6 MILLIMETERS NOMINAL
CROSS-SECTIONAL SHAPE STYLESPHEROCYLINDER COMPOUND
BASE CURVE DIOPTER6.50 PLUS NOMINAL
SPHERE CURVE INSIDE DIOPTER2.00 PLUS MAXIMUM
CYLINDER CURVE INSIDE DIOPTER2.50 MINUS MAXIMUM
NONDEFINITIVE SPEC/STD DATA3 STYLE AND
B CLASS
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY DIAMETER
SUPPLEMENTARY FEATURESUNCUT
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND PLASTIC PLUS 2.00 ON MINUS 2.50


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