NSN 6540-00-001-1057
Part Details | COMPOUND OPHTHALMIC LENS
6540-00-001-1057 A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Alternate Parts: M2.75 M2.75 4.00BC 71MM DIA, M275M275, 6540-00-001-1057, 00-001-1057, 6540000011057, 000011057
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 65 | DEC 17, 1971 | 00-001-1057 | 04121 ( LENS, OPHTHALMIC, COMPOUND ) |
REFERENCE DRAWINGS & PICTURES
SPHEROCYLINDER COMPOUND
ROUND
Cross Reference | NSN 6540-00-001-1057
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| M2.75 M2.75 4.00BC 71MM DIA | 3N062 | DISPENSERS OPTICAL SERVICE CORP |
| M275M275 | 8V333 | I F OPTICAL COMPANY INCDBA CHICAGO OPTICAL CO |
Technical Data | NSN 6540-00-001-1057
| 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 | 5.75 PLUS NOMINAL |
| SPHERE CURVE INSIDE DIOPTER | 2.75 MINUS MAXIMUM |
| CYLINDER CURVE INSIDE DIOPTER | 2.75 MINUS MAXIMUM |
| NONDEFINITIVE SPEC/STD DATA | B CLASS AND 4 STYLE |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY DIAMETER |
| SUPPLEMENTARY FEATURES | UNCUT |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS OPHTHALMIC COMPOUND PLASTIC MINUS 2.75 ON MINUS 2.75 |