6540-00-001-1056 LENS,OPHTHALMIC,COMPOUND Index 6540-00-001-1058 LENS,OPHTHALMIC,COMPOUND

National Stock Number:
6540-00-001-1057

Federal Supply Class:
6540

National Item Identification Number:
000011057

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:
M2.75 M2.75 4.00BC 71MM DIA3N062DISPENSERS OPTICAL SERVICE CORP
M275M2758V333I F OPTICAL COMPANY INC
MILL3682481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
LIGHT TRANSMISSIONUNTINTED
STYLE DESIGNATORROUND
MATERIAL AND LOCATIONPLASTIC SINGLE VISION
DIAMETER71.0 MILLIMETERS MINIMUM
THICKNESS1.6 MILLIMETERS NOMINAL
CROSS-SECTIONAL SHAPE STYLESPHEROCYLINDER COMPOUND
BASE CURVE DIOPTER5.75 PLUS NOMINAL
SPHERE CURVE INSIDE DIOPTER2.75 MINUS MAXIMUM
CYLINDER CURVE INSIDE DIOPTER2.75 MINUS MAXIMUM
NONDEFINITIVE SPEC/STD DATAB CLASS AND
4 STYLE
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY DIAMETER
SUPPLEMENTARY FEATURESUNCUT
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND PLASTIC MINUS 2.75 ON MINUS 2.75


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