5305-00-042-8489 SCREW,CAP,HEXAGON HEAD Index 6530-00-042-8525 BOTTLE,SAFETY CAP

National Stock Number:
6540-00-042-8507

Federal Supply Class:
6540

National Item Identification Number:
000428507

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:
MILL3646081349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BASE CURVE DIOPTER4.25 MINUS NOMINAL
CROSS CURVE DIOPTER4.25 MINUS NOMINAL
CROSS-SECTIONAL SHAPE STYLESPHERE
DIAMETER58.0 MILLIMETERS NOMINAL
LIGHT TRANSMISSIONTINTED
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC SIMPLE MINUS 4.25 SPHERE
MATERIALGLASS SINGLE VISION
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 1 STYLE AND C CLASS
STYLE DESIGNATORROUND
SUPPLEMENTARY FEATURESUNCUT
THICKNESS2.0 MILLIMETERS NOMINAL
TINTED AREA LIGHT TRANSMITTANCE IN PERCENT31.0


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