6540-00-001-0158 LENS,OPHTHALMIC,SPHERE Index 6540-00-001-0160 LENS,OPHTHALMIC,SPHERE

National Stock Number:
6540-00-001-0159

Federal Supply Class:
6540

National Item Identification Number:
000010159

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:
LENS,M6.75SPH,0.50BC,71MM DIA.92083HIS VISION INC
MILL3682481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BASE CURVE DIOPTER3.00 PLUS NOMINAL
CROSS-SECTIONAL SHAPE STYLESPHERE
CUBIC MEASURE1.100 CUBIC FEET
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY DIAMETER
DIAMETER71.0 MILLIMETERS MINIMUM
LIGHT TRANSMISSIONUNTINTED
MATERIAL AND LOCATIONPLASTIC SINGLE VISION
NONDEFINITIVE SPEC/STD DATA1 STYLE AND A CLASS
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC SPHERE PLAS MINUS 6.75 SPHERE CURVE INS DIOPTER
SPHERE CURVE INSIDE DIOPTER6.75 MINUS MAXIMUM
STYLE DESIGNATORROUND
SUPPLEMENTARY FEATURESUNCUT
THICKNESS1.6 MILLIMETERS NOMINAL


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