6540-00-001-0212 LENS,OPHTHALMIC,PLANO Index 6540-00-001-0214 LENS,OPHTHALMIC,PLANO

National Stock Number:
6540-00-001-0213

Federal Supply Class:
6540

National Item Identification Number:
000010213

Description:
LENS,OPHTHALMIC,PLANO CYLINDER

Detail:
A TRANSPARENT OPTICAL ELEMENT HAVING A PLANO DIOPTER BASE CURVE AND CYLINDRICAL DIOPTER CROSS CURVE USED TO CORRECT ASTIGMATIC (MULTIFOCUS) VISION OF THE EYE.


Manufacturer Information:
M550PL.CYL,6BC,CR-39,71MM D92083HIS VISION INC
MILL3682481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
DIAMETER71.0 MILLIMETERS MINIMUM
BASE CURVE PLANO0.00 PLANO NOMINAL
CROSS CURVE DIOPTER5.50 MINUS NOMINAL
CROSS-SECTIONAL SHAPE STYLEPLANO CYLINDER
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY DIAMETER
LIGHT TRANSMISSIONUNTINTED
MATERIAL AND LOCATIONPLASTIC SINGLE VISION
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC PLANO CYLINDER PLASTIC M5.50 CYLINDER
NONDEFINITIVE SPEC/STD DATAB CLASS AND 2 STYLE
STYLE DESIGNATORROUND
SUPPLEMENTARY FEATURESUNCUT
THICKNESS1.6 MILLIMETERS NOMINAL


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