Part Details | COMPOUND OPHTHALMIC LENS
6540-00-001-0297 A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Alternate Parts: LENS,P4.75XM0.75,8BC,71MM DIA., P475M75, 6540-00-001-0297, 00-001-0297, 6540000010297, 000010297
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
65 | DEC 17, 1971 | 00-001-0297 | 04121 ( LENS, OPHTHALMIC, COMPOUND ) |
REFERENCE DRAWINGS & PICTURES
SPHEROCYLINDER COMPOUND
ROUND
Cross Reference | NSN 6540-00-001-0297
Part Number | Cage Code | Manufacturer |
---|---|---|
LENS,P4.75XM0.75,8BC,71MM DIA. | 3N062 | DISPENSERS OPTICAL SERVICE CORP |
P475M75 | 8V333 | I F OPTICAL COMPANY INCDBA CHICAGO OPTICAL CO |
Technical Data | NSN 6540-00-001-0297
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | ROUND |
DIAMETER | 71.0 MILLIMETERS MINIMUM |
THICKNESS | 1.6 MILLIMETERS NOMINAL |
MATERIAL AND LOCATION | PLASTIC SINGLE VISION |
LIGHT TRANSMISSION | UNTINTED |
CROSS-SECTIONAL SHAPE STYLE | SPHEROCYLINDER COMPOUND |
BASE CURVE DIOPTER | 10.50 PLUS NOMINAL |
SPHERE CURVE INSIDE DIOPTER | 4.75 PLUS MAXIMUM |
CYLINDER CURVE INSIDE DIOPTER | 0.75 MINUS MAXIMUM |
NONDEFINITIVE SPEC/STD DATA | 3 STYLE AND B CLASS |
DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BYDIAMETER |
SUPPLEMENTARY FEATURES | UNCUT |
PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS OPHTHALMIC COMPOUND PLASTIC PLUS 4.75 ON MINUS 0.75 |