6540-00-728-9212 LENS,OPHTHALMIC,SPHERE Index 3460-00-728-9231 WHEEL,ABRASIVE

National Stock Number:
6540-00-728-9213

Federal Supply Class:
6540

National Item Identification Number:
007289213

Description:
LENS,OPHTHALMIC,SPHERE

Detail:
A TRANSPARENT OPTICAL ELEMENT HAVING EQUAL SPHERICAL DIOPTER CURVATURES USED TO CORRECT HYPEROPIC (FARSIGHTEDNESS) OR MYOPIC (NEARSIGHTEDNESS) CONDITIONS OF THE EYE.


Manufacturer Information:
MILL1699181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BASE CURVE DIOPTER9.90 PLUS MINIMUM AND 10.10 PLUS MAXIMUM
DIAMETER50.0 MILLIMETERS MINIMUM AND 54.0 MILLIMETERS MAXIMUM
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 1 STYLE AND E CLASS OR 52 SIZE
SPECIAL PACKAGINGPR OF IDENTICAL LENSES
CROSS-SECTIONAL SHAPE STYLESPHERE
STYLE DESIGNATORROUND
MATERIAL AND LOCATIONGLASS OVERALL
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY SIZE
CROSS CURVE DIOPTER9.90 PLUS MINIMUM AND 10.10 PLUS MAXIMUM
LIGHT TRANSMISSIONUNTINTED


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