6540-00-001-0156 LENS,OPHTHALMIC,SPHERE Index 6540-00-001-0158 LENS,OPHTHALMIC,SPHERE

National Stock Number:
6540-00-001-0157

Federal Supply Class:
6540

National Item Identification Number:
000010157

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, M6.25SPH,0.5BC,71MM DIA92083HIS 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
NONDEFINITIVE SPEC/STD DATA1 STYLE AND A CLASS
LIGHT TRANSMISSIONUNTINTED
MATERIAL AND LOCATIONPLASTIC SINGLE VISION
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC SPHERE PLAS MINUS 6.25 SPHERE CURVE INS DIOPTER
SPHERE CURVE INSIDE DIOPTER6.25 MINUS MAXIMUM
STYLE DESIGNATORROUND
SUPPLEMENTARY FEATURESUNCUT
THICKNESS1.6 MILLIMETERS NOMINAL


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