Part Details | SEMIFINISHED SPHERE OPHTHALMIC LENS BLANK
6540-01-375-4090 A transparent molded optical element having equal spherical diopter curvatures, an approximate size and shape, and has been ground and polished to a finished curvature on one surface only.
Alternate Parts: 0.50BC,SPHERE,CR39,71MM, 0.50BC,SPHERE,CR-39,71MM, P0.50 BC, 6540-01-375-4090, 01-375-4090, 6540013754090, 013754090
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 65 | MAY 09, 1993 | 01-375-4090 | 30303 ( LENS BLANK, OPHTHALMIC, SPHERE, SEMIFINISHED ) |
REFERENCE DRAWINGS & PICTURES
SPHERE
ROUND-RECTANGULAR WITH ROUNDED CORNERS
Cross Reference | NSN 6540-01-375-4090
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 0.50BC,SPHERE,CR-39,71MM | 3N062 | DISPENSERS OPTICAL SERVICE CORP |
| P0.50 BC | 0G0R3 | SILOR OPTICAL OF FLORIDA INC |
Technical Data | NSN 6540-01-375-4090
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ROUND-RECTANGULAR WITH ROUNDED CORNERS |
| DIAMETER | 71.0 MILLIMETERS NOMINAL |
| WIDTH | 71.0 MILLIMETERS NOMINAL |
| HEIGHT | 71.0 MILLIMETERS NOMINAL |
| THICKNESS | 12.0 MILLIMETERS NOMINAL |
| MATERIAL AND LOCATION | PLASTIC SINGLE VISION |
| LIGHT TRANSMISSION | UNTINTED |
| CROSS-SECTIONAL SHAPE STYLE | SPHERE |
| BASE CURVE DIOPTER | 0.50 PLUS NOMINAL |
| CROSS CURVE DIOPTER | 0.50 PLUS NOMINAL |
| SPHERE CURVE OUTSIDE DIOPTER | 0.50 PLUS NOMINAL |
| SPECIAL FEATURES | CR-39; DIOPTER BASE CURVE; UNCUT |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS BLANK OPHTHALMIC SPHERE SEMIFINISHED PLASTIC +0.5 +0.5 +0.5 |