6540-00-001-0488 LENS,OPHTHALMIC,COMPOUND Index 6540-00-001-0490 LENS,OPHTHALMIC,COMPOUND

National Stock Number:
6540-00-001-0489

Federal Supply Class:
6540

National Item Identification Number:
000010489

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:
MILL3682481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
P4.75-2.25,71MMDIA.8.5BC92083HIS VISION INC
P4.75M2.25,10.50BC,71MM,CR-393N062DISPENSERS OPTICAL SERVICE CORP


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 DIOPTER10.50 PLUS NOMINAL
SPHERE CURVE INSIDE DIOPTER4.75 PLUS MAXIMUM
CYLINDER CURVE INSIDE DIOPTER2.25 MINUS MAXIMUM
NONDEFINITIVE SPEC/STD DATA3 STYLE AND
B CLASS
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BYDIAMETER
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND PLASTIC PLUS 4.75 ON MINUS 2.25


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