6540-00-001-0669 LENS,OPHTHALMIC,COMPOUND Index 6540-00-001-0671 LENS,OPHTHALMIC,COMPOUND

National Stock Number:
6540-00-001-0670

Federal Supply Class:
6540

National Item Identification Number:
000010670

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:
MIL33682481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
P2.00-3.75,CR-39,71 DIA92083HIS VISION INC
P2.00M3.75,6.50BC,71MM,CR-392T804ATLANTA/OLYMPIC OPTICAL CO


Techincal Specification:
DIAMETER71.0 MILLIMETERS MINIMUM
BASE CURVE DIOPTER6.50 PLUS NOMINAL
CROSS-SECTIONAL SHAPE STYLESPHEROCYLINDER COMPOUND
CYLINDER CURVE INSIDE DIOPTER3.75 MINUS MAXIMUM
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY DIAMETER
LIGHT TRANSMISSIONUNTINTED
MATERIAL AND LOCATIONPLASTIC SINGLE VISION
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND PLASTIC PLUS 2.00 ON MINUS 3.75
NONDEFINITIVE SPEC/STD DATA3 STYLE AND B CLASS
SPECIAL FEATURESCROSS CURVE DIOPTER: ANY ACCEPTABLE.
SPHERE CURVE INSIDE DIOPTER2.00 PLUS MAXIMUM
STYLE DESIGNATORROUND
SUPPLEMENTARY FEATURESUNCUT
THICKNESS1.6 MILLIMETERS NOMINAL


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