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:
DIAMETER71.0 MILLIMETERS MINIMUM
BASE CURVE DIOPTER10.50 PLUS NOMINAL
CROSS-SECTIONAL SHAPE STYLESPHEROCYLINDER COMPOUND
CYLINDER CURVE INSIDE DIOPTER2.25 MINUS MAXIMUM
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BYDIAMETER
LIGHT TRANSMISSIONUNTINTED
MATERIAL AND LOCATIONPLASTIC SINGLE VISION
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND PLASTIC PLUS 4.75 ON MINUS 2.25
NONDEFINITIVE SPEC/STD DATA3 STYLE AND B CLASS
SPHERE CURVE INSIDE DIOPTER4.75 PLUS MAXIMUM
STYLE DESIGNATORROUND
THICKNESS1.6 MILLIMETERS NOMINAL


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