6540-00-001-0472 LENS,OPHTHALMIC,COMPOUND Index 6540-00-001-0474 LENS,OPHTHALMIC,COMPOUND

National Stock Number:
6540-00-001-0473

Federal Supply Class:
6540

National Item Identification Number:
000010473

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:
LENS,P0.75XM2.25,6.5BC,71MM DIA.3N062DISPENSERS OPTICAL SERVICE CORP
MILL3682481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BASE CURVE DIOPTER6.50 PLUS NOMINAL
CROSS-SECTIONAL SHAPE STYLESPHEROCYLINDER COMPOUND
CYLINDER CURVE INSIDE DIOPTER2.25 MINUS MAXIMUM
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BYDIAMETER
DIAMETER71.0 MILLIMETERS MINIMUM
NONDEFINITIVE SPEC/STD DATA3 STYLE AND B CLASS
LIGHT TRANSMISSIONUNTINTED
MATERIAL AND LOCATIONPLASTIC SINGLE VISION
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPH CMPD A3 ROUND PLAS UNTINTED+6.50BC-0.75 INSIDE SPH CRV
SPHERE CURVE INSIDE DIOPTER0.75 PLUS MAXIMUM
STYLE DESIGNATORROUND
SUPPLEMENTARY FEATURESUNCUT
THICKNESS1.6 MILLIMETERS NOMINAL


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